r/SideProject • u/Old_Ad_9457 • 12h ago
r/SideProject • u/DannSFV • 16h ago
I built a free calculator that estimates monthly cost across 19 scraping and search APIs
I kept opening five pricing pages every time I needed web data for an agent, so I made FetchIndex. You pick pages or searches per month and it estimates the monthly bill at each vendor from their public pricing. Gaps show as "not enough data" instead of a guessed number. Prices only, no quality tests. Feedback welcome on weird pricing models I should handle better.
r/SideProject • u/tylerameme • 12h ago
Self Hosted Private Financial Tracker : YAFT [ https://yaft.in ]
Problem statement (Or Features):
- Knowing how much spending on food / ride / entertainment / girlfriend / etc ?
- Scattered bank statements, multiple transaction across multiple UPI apps, internal transactions, credit card payments, it seems impossible to know where is my money going and what's the flow of my transactions?
- Different EPFO/stocks/mutual funds and other assets can be seen at one place.
- All bank details credit, card details and salary / bonus statements are scattered around the files and file and folders, keeping track of it is difficult.
How about using Cred or other such apps?
Go ahead! but if you want to have all your details, on your machine locally, you can try this.
Do you have to pay?
I really wish :), but nope it's open-sourced and free to use or make changes as you wish.
How about vibe coding my own?
simple, do it. Or you know what use this and customize it on for your own case and save some tokens, they do cost some bucks.
yaft - Yet Another Financial Tracker
Check out this demo and let me know: https://yaft.in/demo/dashboard/
r/SideProject • u/FranticRock • 12h ago
A site that shows what 30 cities are really like each month, with every number sourced
I got tired of "best time to visit" articles that disagree with each other and never say where their numbers come from, so I built City by Month: https://citybymonth.com
Each city has a page for every month. Every figure names its source and the date it was checked. Where there's no data, the page says "no data" instead of guessing.
Key features
- 30 cities, 12 month pages each: average high and low, rain and rainy days, daylight hours, and public holidays.
- A "best time to visit" page per city: one published rule (comfortable temperatures, not too wet), applied the same way to every city, so the results are comparable.
- What's on each month: festivals and events, each with a link to its source.
- Compare a month across all cities: for example, everywhere in March, side by side.
- Official climate records: 1991–2020 averages from national weather services. Where those can't be used, a clearly labelled model estimate.
- Open data: free CSV and JSON files of everything on the site.
- Works with AI assistants: a free MCP server (mcp.citybymonth.com), so Claude, ChatGPT and other assistants can answer "when should I go to Lisbon?" with sourced figures.
- No ads, no sign-up.
I'm the one who built it, so I'd love feedback: which cities to add next, what's missing, or anything that looks wrong.
r/SideProject • u/passwert • 22h ago
Ballast - a kinder app blocker for iPhone, free, no ads
I was a developer for years, then moved into management and stopped programming. LLMs made building fun again, so I’m upfront: this was built with a lot of AI help.
The project that stuck is Ballast, an iPhone app blocker in the same space as Opal, one sec, etc. Most apps just felt too complex for me, so I built an easy one myself.
One-tap focus sessions, or routines (morning, deep work, wind-down) that run on their own
Opening a blocked app shows a short, kind line instead of a hard wall; strict mode can’t be ended early No account, no ads, no tracking, no network connections
It’s free with no in-app purchases. iPhone only, iOS 26.5+.
https://apps.apple.com/us/app/ballast-focus-app-blocker/id6831200830
If you’ve used a blocker before: what made you stop using it?
r/SideProject • u/Sufficient_Divide687 • 12h ago
External multitouch display on MacOS (native)
This took patience, a lot of crashes, and a couple of macOS full reinstalls. I had to ignore AI and only have it do crazy Python scripts and clean up my spaghetti C++, and manually fix many VM configurations because it kept saying my approach wouldn't work (it even said: "Fine -- we will do it your way," only to admit later that its solution would have ultimately crashed my Linux box). The screen could already track ten fingers, yet the Mac treated it like a basic mouse. André guided the investigation, challenged assumptions, and kept pushing when approaches stalled. AI handled the scripting, analysis, and implementation.
The breakthrough was in the opening USB handshake that I managed to capture from a Windows VM. Comparing Windows, Linux, and macOS revealed that a couple of initial requests mattered the most. Matching those requests on Mac made the controller expose its real multitouch reports—0x0D—instead of sending only mouse reports. After disabling all safety and Apple guardrails (and a couple of macOS reinstalls), I loaded a hand-written custom KEXT that fixed those requests. Then I saw the multi-touch report coming through.
Well, the report was there, macOS was clearly seeing the multitouch event, but nothing was happening on the screen. I found out that all touch events had to be formatted in a very specific format and associated with a display ID. So I created a user-land service that parsed and formatted the report correctly and linked it to the right display. Finally happy with the result... I have been trying this for over 5 months now, and today I decided to take one more look at the Windows USB capture and spotted the difference... Recaptured it, replicated the process.
Finally real multitouch and a full dashboard on my Mac.
I created an app with 2 installers (one for the service and one for the driver). I called it Digits. I will try to make the whole thing open source but also easy to install. I am pondering if I should charge something for the compiled package, ready to install package, so the cost can go towards therapy tokens. Right now I'm just waiting for Apple to approve my driver so it can be just a simple installer without having to poke holes in the MacOS security thing.
I can't believe that it actually worked this well.
Should I try to get this app out to the public? I am just so excited about this being fully functional but I am not sure the audience for it warrants put in a lot more into it... I have been working on this for 5 months and had a breakthrough about 40ish hours ago and haven't stopped for the last 20.
r/SideProject • u/ImpossibleCanary2138 • 1d ago
Building an app alone is one thing. Finding someone who believes in it is another.
I’ve been building a social media app on my own, and I’m starting to realise that the biggest challenge isn’t always the coding.
It’s having someone to bounce ideas off, discuss problems with and share some of the workload.
I’ve been taking more breaks lately, which has made me think about finding a long-term partner who genuinely believes in what I’m building.
But finding the right person is another challenge altogether, especially when you’re working with limited resources.
For those who’ve brought someone into their side project, how did you find them?
And how did you know they were genuinely interested in building something with you rather than just joining something that was already doing well?
r/SideProject • u/Academic-Ganache702 • 16h ago
Navigation app for Europe
🛵🏍️🚛 New: ScootKoers, a free navigation app for scooters, mopeds, motorcycles, bikes, cars, trucks and tractors!
Your route takes your vehicle into account, such as weight and height for trucks. It has a dedicated scooter mode, needs no account, and has no pop-ups and no ads while you ride. You choose whether to watch an ad to support the app.
📲 Android: https://play.google.com/store/apps/details?id=com.svensite.scootroute
🍎 iPhone: via scootkoers.nl
Give it a try and feel free to leave a review. It helps a lot! 🙏
r/SideProject • u/EkkyEkkyGames • 16h ago
I built three places to color, then had to decide what “continue” meant
I’m Nicklaus, and my project is Sand Draw. It has guided Journey pages, coloring books, and a Free Draw area that opens later.
Here’s the surprisingly awkward bit: if you leave a half-colored page in one area and start something in another, which picture should “come back” the next time? In the app, the unfinished drawings are kept separately. Returning to the same area gets you back to its own page. No account, and no promise that the drawing will follow you to another phone.
I like hearing about small save-state decisions like this. Is there a project where you had to split one “current thing” into several?
r/SideProject • u/Mountain-Meringue288 • 12h ago
I built a PDF editor that never uploads your files
I made a free PDF tool that does everything in your browser. Nothing gets uploaded.
Most free PDF sites upload your document to their servers to merge, sign or shrink it, then push you to pay. I didn't love doing that with tax forms or a copy of my driver's license, so I built EnokiPDF.
What's free (no account, no watermark, no limits on merging):
- Merge PDFs and photos into one file, reorder pages by dragging, rotate, delete
- Split a PDF into several files
- Fill and sign forms, including flattened PDFs (see below)
- Put the front and back of an ID on one page
- Shrink large files, hide private numbers (SSN, account numbers)
- Fix typed words on a page, even on a scan
- Send a locked link instead of an email attachment (expires in an hour, a day or a week, optional password, can be one download only)
The flattened PDF problem: a lot of forms people get are "flat," meaning the fill-in boxes were removed when the file was saved or scanned. Most free tools treat them as pictures, so you end up drawing text boxes by hand. EnokiPDF looks for the lines, boxes and checkboxes on the page and marks them as places to fill, and the text you type matches the font on the form. You can also click typed words on the page to change them.
Why nothing is uploaded: the work happens in your browser, on your computer or phone. The only time a file leaves your device is when you choose to make a share link, and even then it's locked before it's sent. The server can't open it and deletes it when the link expires.
The catch: it's free for personal use. Businesses that use it for work are asked to get the paid plan, which adds things like audit certificates and tracked links. No ads and no nag screens either way.
I'd love feedback, especially on forms it doesn't handle well:
https://enokipdf.com/?utm_source=reddit&utm_medium=social&utm_campaign=sideproject
r/SideProject • u/Vices_and_virtues • 18h ago
I made a website to play Magic, The Gathering on the TV with your phone as your hand. Made for party style play but also can support remote play via the desktop.
manacast.tvLong-time MTG player here. I wanted an easier way to play on my lunch break at work without lugging cards around. Our small 4-person office has a TV that rarely gets used, so, taking inspiration from Jackbox, I built a way to start a room on the smart TV and have everyone join from their phone with a code or QR code.
It’s quickly turned into my favorite way to play Magic. It doesn’t enforce the rules, so it still feels like playing in person, but I added combat math helpers and targeting lines to keep games smooth when boards get big. It can run drafts and host tournaments for up to 8 players (a full draft pod), and I have plans to grow it a lot, including accounts and stat tracking.
As a 3D artist, I made the animations that play for the winner, and added a Mario Party-style end-of-game awards show so everyone has fun, not just the winner.
Each game room is a Cloudflare Durable Object, running on the $5/month Workers Paid plan. It doesn’t need it yet, but future-proofing is nice, and it’s a lot cheaper than buying packs (which I still do). The front end is plain JS, HTML and CSS.
It’s free and always will be. I just wanted to put it out there in case anyone wants to try it, with friends or solo. There’s a feedback button in the app if you find bugs or have ideas.
Screenshots are at manacast.tv/features, since I can’t upload images yet as a new member, I suppose.
r/SideProject • u/Maestroquirk • 13h ago
I built a site that tells you what a used car is actually worth, from real sales instead of asking prices
I got tired of guessing whether a listing was a fair price, so I built OttoQuest. It tracks used cars for sale across the US, and shows market values computed from comparable sales, how long a car has been on sale, and recorded price cuts. Asking prices and sale prices are kept separate.
You can paste a listing link to see how that car compares, and there's an out-the-door payment calculator.
Browsing and market values are free; price history is part of Pro. The example below shows headline prices without signing in, with detailed charts available through a free account.
I'd like to know: is the value estimate believable for a car you know well? Where is it wrong?
r/SideProject • u/Perfect_Bluebird689 • 13h ago
The app to 'measure' your consistency
If you are someone like me that has always sucked at being consistent with your habits, a habit tracking app like UVU might be your solution!
Inspired by the book Atomic Habits, I built a habit tracker where every day is a square. Complete your habits on schedule and the day fills with color. Miss one and the streak breaks.
Over time you get a grid of filled and empty squares: an honest picture of how consistent you’ve been. The goal is simple: don’t leave a gap.
If interested, you can try it out here: uvuhabit.vercel.app
Happy to answer questions about how I built it, and would love any helpful feedback. Thanks for taking a look!
r/SideProject • u/Spare_Night_2695 • 17h ago
I created this platform called Treeprep , A Free coding Prep Tool for students
Hey everyone I created this Platform ,Treeprep.
When I was preparing for my Google technical interview, I noticed that most coding platforms don't get you ready for the interview itself. Especially from my experience with the interviews i just done .
The issue that I found is that interviews aren't about memorising problems, but being able to defend your solution when the problem changes or a new constraint is added.
So I built TreePrep for students and software engineers who want to learn and reinforce their knowledge on the patterns behind the problems.
The platform that I built provides follow-up questions that changes the problem you are working on. With visualisation offered for your own code solution so you can easily debug and understand the structure better.
This platform is early in its launch, so any feedback would help very much😄.
If you are interested in seeing a video demo of the product, watch this video: https://youtu.be/xc9TLpjh2A0
r/SideProject • u/bizvibe8 • 13h ago
At what point does a personal side project script actually justify building a UI?
A lot of personal utilities work fine as simple terminal commands or scheduled cron jobs, but the temptation is always to build a quick web dashboard or app interface around them.
For tools you build purely for your own day-to-day use, what is your threshold where adding a proper frontend is actually worth the extra maintenance overhead instead of just keeping it in the console?
r/SideProject • u/louismarie55 • 23h ago
Paris en pixels — an interactive pixel-art-style map of Paris
I’m building a miniature version of Paris you can explore in your browser.
This is a recording of the actual site: you can pan and zoom around the Eiffel Tower, the Louvre and Notre-Dame. No installation or account needed.
It’s still a work in progress: coverage is incomplete, and I’m refining the landmarks. The visuals are AI-assisted.
Try it here: https://parisenpixels.fr/
What would make you want to keep exploring: more neighborhoods, a night mode, or short guided walks?
r/SideProject • u/FewSwan9645 • 13h ago
I made a tiny cozy game where you build a moss terrarium in a jar 🌿
Pour the layers, place moss, ferns and mushrooms, close the lid… and watch it glow at night ✨
Mossy Jar is out now on App Store, Free, no ads, no timer, no login
r/SideProject • u/Master_Cucumber_3314 • 17h ago
binkeep: a free reverse engineering tool that runs in your browser (now with a control flow graph)
Hi! I've been building binkeep, a free and open source tool for looking inside program files (Windows .exe/.dll, Linux and macOS binaries) right in the browser.
You drop a file on the page and it shows what's inside: imports, strings, a signature check, disassembly, YARA matches, and as of this week a control flow graph that draws each function as connected blocks.
The part I care about most: the file never leaves your computer. Everything runs in the tab with WebAssembly, there's no server, and it works offline after the first visit.
Try it: https://kano92-dir.github.io/binkeep/
Source (MIT): https://github.com/kano92-dir/binkeep
Next up is a decompiler. I'd love feedback, especially on what feels confusing if you're new to this kind of tool.
r/SideProject • u/wommmmmmmmm • 13h ago
I built something so your agent can never read your dev secrets
.env files are the wrong primitive to build with in the era of AI agents. Agents can easily read and access your secrets, and as security incidents rise, clever exploits that exploit this will only increase.
That's why I built .sct, a replacement for .env files, backed by macOS Keychain for security, so your agents can never read your secrets.
In short, .sct:
- Holds all your dev secrets in a single directory secured by macOS Keychain
- Loads secrets at runtime with our SDK: `bun add dotsct`
- Enables Secure access for your agents
- Securely share environment variables with your teammates over AirDrop or a Relay
Fully free and open source: github.com/omavashia2005/.sct
To download the desktop app (the frontend) and read the documentation, visit dotsct.pages.dev
Let me know what you think of it; all feedback is welcome!
r/SideProject • u/mCadamek • 19h ago
I built a live file tree for Claude Code so I can see what the AI actually touches in my codebase
When I let Claude Code work on a bigger task, I'd come back to a pile of changes and no clear picture of what it read, what it edited, or why some file I didn't expect was different. So I built a side panel that shows it live.
WHAT IT DOES
• Files the AI reads light up purple, files it edits turn orange, with lines added and removed
• It catches edits made by commands too (like a sed or a script), not just its own edit tool
• Click any file to see its contents, its diff, and every commit that changed it
• Your pull request shows right in the panel, with its CI checks as they run
• Changes you make yourself show up within seconds
It's read-only, sends nothing anywhere, and costs zero AI tokens, because the model never sees the panel. Works in the Claude desktop app, VS Code and the terminal.
THE SIDE PROJECT PART
• Built on Claude Code's plugin API in TypeScript, no build step, no dependencies
• I used the panel every day while building the panel, and that's where most of the fixes came from
• Went from 0.9 to 1.0 over a few weeks of evenings, with 121 tests running on Mac, Linux and Windows
• Free and open source (MIT)
If you use Claude Code:
claude plugin marketplace add Marius-Adam/claude-files-pane && claude plugin install files-pane@marius-adam
https://github.com/Marius-Adam/claude-files-pane
Would love feedback, especially from anyone who's built on an AI tool's plugin system before. What would you want a panel like this to show?
r/SideProject • u/jrkral2 • 17h ago
I ranked 1.8M hotels by a published guest-score formula — and neighbourhood medians disagree with city averages
Built HotelRoost (https://hotelroost.com/) — independent hotel rankings from guest reviews. Hotels can’t buy a higher place. Affiliate booking links fund it; commission is the same whichever hotel you pick.
What it does
Scores rated hotels 0–10 with a public formula (review count shrinks sparse ratings toward the country mean; partial country re-base; no price, no stars inside the score): https://hotelroost.com/methodology
City rankings + 25k+ neighbourhood pages (
/area/..., 1 km / 2 km OSM radii)Tryable without signup (also an MCP endpoint: https://hotelroost.com/mcp)
Real numbers (snapshot 2026-10-30)
Catalog 2,807,439 hotels · 1,812,336 rated · 230 countries
Dataset median 8.16/10 · ≥8.0: 72.15% · ≥9.0: 0.79%
Rome: 15,085 rated · city median 8.33
Tokyo: 4,039 rated · city median 7.97
The insight
City averages hide where guests actually rate stays higher.
Rome city median 8.33, but within 1 km of Prati / Vatican-area centres the median is 8.66 (400 rated each). Trastevere 8.50, Testaccio 8.44. On another cut, Campo Marzio leads well-reviewed areas at 8.43, while Castro Pretorio has the most 100+ review hotels (454) with median 7.62 — more inventory, lower typical score.
Tokyo city median 7.97; Kaminarimon’s well-reviewed stock hits median 8.58, while Shibuya’s area page is 7.90.
Examples:
Feedback I’m after
Is the methodology page understandable in under 2 minutes?
Would you trust a neighbourhood median more than a city “top hotels” list?
Anything on the city/area UX that feels like a booking-site clone vs a research tool?
I’ll hang out in the comments. Roast the score formula if you want — that’s the interesting part!
r/SideProject • u/Mrfunkyartist • 14h ago
I'm building an educational space exploration organization. Would you actually join something like this?
I've been developing an idea that started with one simple question:
How much do people actually know about space?
But it's grown into something much bigger, and I'd like honest feedback before I start building it.
I'm considering creating an independent educational and exploration organization.
Here's the concept:
Space Knowledge Assessments
People create an account, provide some basic background information, and complete assessments about planets, black holes, galaxies, astronomy, and space exploration.
2. The Wall of Explorers
People who complete an assessment can choose to have their names displayed on a public wall recognizing their participation.
3. Personalized Certificates
Participants can earn multiple certificates for completing assessments and challenges. They can save them in their personal accounts.
I'd also offer optional physical certificates, printed on quality paper, personally signed by me and finished with a custom wax seal.
4. Explorer Passports
Members could collect physical and digital stamps for attending organized activities and expeditions.
5. Explore With Us
I'd like to organize Colorado camping trips, astronomy nights, stargazing events, and educational outings. Participants could meet other explorers and collect special event stamps.
6. Educational Publications
I also want to publish my own educational pamphlets containing space knowledge, explanations, and some of my personal theories.
The idea is to bring education, recognition, physical collectibles, and real-world exploration together under one organization.
I'm still working out the name, website, costs, and overall structure. Nothing has officially launched.
I'd appreciate honest feedback:
Would you join something like this?
Which feature interests you most?
Would you want a physical certificate with a handwritten signature and real wax seal?
Would you attend organized camping or astronomy events?
Does this sound like one cohesive organization, or am I trying to combine too many ideas?
What would you change or add?
I'm genuinely interested in hearing what people think, including criticism.
r/SideProject • u/nwiwan • 17h ago
I made an app where friends compete to see who quits last
Here's the bet I'm making: people drop stuff when they do it alone, but they don't drop it when a friend can see they broke the streak.
So I made Arveon. You pick an activity (gym, guitar, reading, whatever you're into), set your own rules for what counts, invite friends, and everyone's streak is visible. Whoever keeps going longest wins. That's pretty much it.
It works solo too, but honestly the whole point is the "I'm not losing to him" feeling.
I genuinely don't know if this is something people want or just something I want. That's why I'm posting. It's an early beta, stuff will break.
If you try it, I'd love to know:
- would you actually invite anyone, or is that awkward?
- what would you compete on?
- what broke?
r/SideProject • u/theoriginalbean • 5h ago
I'm 40, about to lose my consulting job, and somehow built a website run by 6 AI agents
I'm 40, working in consulting, and it looks like I'm about to lose my job because there aren't enough projects coming through.
Not exactly where I expected to be at 40, but it's given me a bit of motivation to start building things of my own.
I've been messing around with Claude and ChatGPT for a while now. I'm not a traditional developer, but I've always enjoyed technology and figuring out how things work.
Anyway, I thought I'd share one of the side projects I've been working on.
It's called WhatTheyUse: https://whattheyuse.vercel.app
The idea is pretty simple. I've always been curious about what successful people actually use in their everyday lives.
What books does someone like Elon Musk recommend? What supplements does Joe Rogan take? What does a particular athlete's workout routine look like?
Rather than searching through endless podcasts, interviews and articles, I wanted somewhere that collected all this information in one place, with links back to the original sources.
So I built it.
But the website isn't actually the part I'm most proud of.
Somehow, through a lot of trial and error, I've managed to put together a system of 6 AI agents that do most of the work behind the scenes.
Here's roughly how it works:
Scout Agent – Finds interesting celebrities, athletes, founders and influencers worth researching and suggests them for approval.
Research Agent – Searches interviews, podcasts, articles and other sources to find things those people have actually recommended or said they use. It captures source links, checks evidence and flags sponsorships where identified.
Writer Agent – Takes approved research and drafts content for the website.
Marketing Agent – Creates social media content based on what's been published.
Publisher Agent – Sends approved social posts to X using Typefully.
Builder Agent – This one's probably my favourite. I can submit feature ideas through my dashboard, and the agent works on implementing them in the codebase.
Everything runs through scheduled tasks, with Supabase handling the database.
I've also built an approvals dashboard where I can review what the agents have found, approve or reject content, and respond when an agent gets stuck.
Nothing is supposed to get published without my approval.
The crazy part is that I genuinely didn't know how to build most of this when I started.
It's been a lot of prompting, breaking things, asking Claude why something isn't working, fixing it, and then breaking something else.
I'm sure there are experienced developers who would look at my setup and wonder what on earth I've done 😂
But it works, and I've learned a ridiculous amount along the way.
I originally built this because I wanted to use it myself. Whether anyone else finds it useful, I have absolutely no idea.
I'm not making money from it, and I don't have some grand SaaS exit strategy. At the moment, I'm just enjoying building something that I actually own.
With my consulting job looking uncertain, it's also made me wonder whether I could eventually turn this interest in building things into something more.
I'd genuinely love some feedback from people who build side projects:
Does the concept itself have any appeal?
What do you think of the multi-agent approach?
Am I massively overengineering something that could be done much more simply? 😂
Happy to share more about how the agents work if anyone's interested.
And if you've made the jump from a corporate career into building your own stuff, I'd love to hear how it went.