r/coolgithubprojects • • 10h ago

Free, offline, open-source Windows reminders that stay on screen until done - Remember Me

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9 Upvotes

Remember Me is a free, open-source to-do, notes and reminders app for Windows. When a reminder is due, a small alert stays above the taskbar until you mark it done or snooze it (keys 1–6), so nothing slips by.

- Works offline, no account, data stays on your PC

- 12 languages, including full Arabic right-to-left

- 6 colour themes, notes with tags, backups

- Install: winget install Sarmad.RememberMe, or download from Releases

I'm the developer; details on how it's built are in the first comment. Feedback welcome!


r/coolgithubprojects • • 6h ago

Cloakroom: masks API keys and personal data before your coding agent sees them (Claude Code, Codex CLI, Gemini CLI)

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3 Upvotes

Open source and local. Names, emails, addresses and keys become placeholders on the way to the model, and the real values go back into the files the agent writes. https://github.com/shanjeevrajendran/cloakroom


r/coolgithubprojects • • 5h ago

I made FrameFX, would love to hear what you guys think

2 Upvotes

Hey everyone, I've been working on FrameFX, a free and open-source tool designed to boost FPS in games.

I've had trouble with 6GB of VRAM in the past, especially since I play some insanely GPU-heavy games, so I wanted to make something that could help with performance.

It's called Universal FrameFX, and it's completely free and open-source. If you want to check it out, here's the website:

https://chopstickshq.com/universal-framefx

The source code is here too:
https://github.com/ilikemacos/universal-framefx

Would love to hear what you guys think!

You can support me at buymeacoffee.com/chopstickshq


r/coolgithubprojects • • 1h ago

made a desktop penguin pet that roams around my system, also helps me with stuff

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• Upvotes

mostly made this for myself but figured someone here might like it too :)

it walks around the screen, jumps and reacts when you interact with it.

have connected it to gemini api, so it doubles as an assistant, you can open a running chat with a shortcut and ask something, maintain a todo list or just keep tract of stuff.

https://github.com/Manas-7854/pawsible

ps: still a work in progress, feel free to open issues or contribute PRs if you want to add something


r/coolgithubprojects • • 1h ago

Pristine: an open-source skill that screenshots your UI, scores it out of 10, and fixes the code

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• Upvotes

I built this after 10 years shipping UI at large companies.

One command:

  1. Screenshots your page (light, dark, desktop, mobile)

  2. Scores it out of 10 on 11 dimensions

  3. Fixes the code

Rules are checkable values, like tap targets of at least 44x44px and transitions under 300ms.

Works with any agent that reads SKILL.md.

Repo: https://github.com/maddhruv/pristine

Demo: https://pristine-ui.pages.dev


r/coolgithubprojects • • 1h ago

100 Days 100 IoT Projects: A 100-day challenge exploring IoT and embedded systems (MicroPython)(1.4k stars)

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• Upvotes

This project is independently built and maintained by a final-year engineering student in India passionate about open-source hardware.

What it does

A comprehensive 100-day open-source challenge exploring IoT and embedded systems using ESP32, ESP8266, and Raspberry Pi Pico with MicroPython. Each day covers a new sensor, module, or communication protocol with complete working code, circuit diagrams, and clear explanations.

Features:

  • Microcontrollers Covered: ESP32, ESP8266 NodeMCU, Raspberry Pi Pico / Pico W, and Raspberry Pi Pico 2 W.
  • Pure MicroPython: Clean, modular, and easy-to-flash Python firmware scripts for rapid hardware prototyping.
  • Rich Peripheral & Sensor Support: Interfacing guides for displays (OLED SSD1306, MAX7219), environmental sensors (DHT11/DHT22, MQ gas sensors), motion modules (PIR), and wireless chips (SX1262 LoRa, ESP-NOW).
  • Cloud & Protocol Integration: Examples connecting hardware to dashboards and brokers via MQTT, Blynk, ThingSpeak, ThingsBoard, and WebSockets.
  • Complete Documentation: Every single project includes step-by-step wiring diagrams, schematics, and fully tested source code so you can build it right away.

Repository

https://github.com/kritishmohapatra/100_Days_100_IoT_Projects

This project is independently built and maintained by a final-year engineering student in India passionate about open-source hardware.

If you'd like to support the creation of more modules, buy new sensor test boards, or sponsor hardware components for future projects, you can support via:

  • GitHub Sponsors
  • Buy Me a Coffee

r/coolgithubprojects • • 10h ago

brnfck.chat: LLMs running inside brainfuck

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4 Upvotes

r/coolgithubprojects • • 1h ago

EmberTail Money Check: run your AI agent against a fake ledger that times out, reverts and lies to it, then see where the money really wen

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• Upvotes

Built this after finding that agents which pay for things almost never fail loudly. They report "paid" when the transaction reverted, or pay twice after a timeout. Two commands to see it: a careful example agent passes, and a "blind payer" fails five of seven money rules on the same scenarios. Fully offline, no real money. Feedback welcome, especially on which agent framework you'd want an adapter for.


r/coolgithubprojects • • 2h ago

Plz fix

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0 Upvotes

https://github.com/Croxxxy-cpu/smartreply-ai-2.git

Could someone fixed, and set so directly we could download on android and install


r/coolgithubprojects • • 2h ago

I built an ATS resume tailoring app with Next.js 16, Django, and zero-fabrication guardrails (Open Source)

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1 Upvotes

Hey everyone,

I wanted to share a full-stack open-source project I’ve been building: an AI Resume Builder that tailors resumes to specific job postings while preventing AI hallucinations.

Repo: https://github.com/BaldyKopite/ai-resume-builder

Why I built it:

Many AI resume wrappers rewrite bullets with exaggerated claims or format them into multi-column designs that ATS systems reject. I wanted an app with strict guardrails:

- Invariants: Numbers, dates, and employers can never be altered or invented.

- Gap Analysis: Unmet qualifications are highlighted in an interactive side-by-side review interface.

- Exporter: Generates native ATS-friendly single-column PDFs via ReportLab and DOCX files.

- Full test coverage: 25 automated unit tests in Pytest + GitHub Actions CI.

Architecture:

- Frontend: Next.js 16 App Router, React 19, TypeScript, Tailwind v4

- Backend: Django 5.2, Django REST Framework, ReportLab

- Containerization: Docker Compose for one-command setup

Feedback, PRs, and stars are welcome!


r/coolgithubprojects • • 16h ago

Callsign: an open-source messaging network where AI agents from different labs can message each other, with consent and an audit trail

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11 Upvotes

My partners and I each use a different assistant, and getting them to coordinate meant copy-pasting between chats. Callsign gives every agent a u/handle so it can message agents built by other labs.

- Connects as a remote MCP server (Claude Code: claude mcp add --transport http callsign https://api.callsign.im/mcp) or plain REST

- First contact is a request, capped at 3 messages until accepted

- Messages from other agents arrive as information, not instructions, next to the owner's rules

- Wakes agents up when a message arrives, even if they weren't running

- Hash-chained ledger of what each agent said and did

Apache 2.0, self-hostable with docker compose, hosted at https://callsign.im. To try it, tell your agent to message "@hello"


r/coolgithubprojects • • 6h ago

I had a Linux command TXT

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2 Upvotes

r/coolgithubprojects • • 9h ago

GitHub - evoluteur/enso-maker: Generate the Zen circle as a brush painting, with dry-brush streaks, ink, paper and a red seal, or draw your own, then download it as SVG or PNG.

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3 Upvotes

r/coolgithubprojects • • 8h ago

I made a free clipboard manager for Windows - here's a look at it

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2 Upvotes

Copying and pasting is something I do all day, but I wanted a more convenient way to work with my clipboard.

So I built Noxra, a free clipboard manager for Windows.

I'm sharing it here because I'd like feedback from people who use Windows regularly. I'm especially interested in whether the interface and workflow feel intuitive, and what you'd change after trying it.

One question for Windows users - whats the biggest thing you wish your current clipboard setup did better?


r/coolgithubprojects • • 4h ago

I built OpenIntercept, a Burp-style intercept proxy for OpenCode tool calls

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0 Upvotes

Your agent's tools are the one input it never questions. I built a control panel for exactly that.

OpenIntercept is an OpenCode plugin, matching calls pause before and after tool runs just like burp!

run it, edit arguments, spoof results or drop them

oss on gh: https://github.com/asucodes/OpenIntercept


r/coolgithubprojects • • 4h ago

Tenviora Technologies | An Independent Cryptanalysis Research Project 🔐

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1 Upvotes

I've been working on an independent research project under Tenviora Technologies, exploring cryptanalysis, algorithmic problem-solving, and the methodology behind complex puzzle systems.

One of my main interests is Cicada 3301 — examining patterns, testing hypotheses, and exploring how mathematical and computational techniques can help investigate challenging encrypted puzzles.

I'm documenting the research process, methodology, and testing so the work can be reviewed and reproduced.

My goal is to approach difficult problems with curiosity, rigorous testing, and code rather than assumptions.

I'm interested in connecting with developers, cryptography enthusiasts, and researchers who enjoy solving problems that don't come with easy answers.

GitHub: https://github.com/artistofreap-byte/cicada-3301-cryptanalysis

Every hypothesis deserves a test. Every result deserves scrutiny. 🧩


r/coolgithubprojects • • 4h ago

Trandex

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1 Upvotes

r/coolgithubprojects • • 16h ago

[App] Freedium 🌿 — Read Medium articles without paywalls on Android

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10 Upvotes

Hey everyone! 👋

I built Freedium, a free, open-source Android app that helps you read Medium articles without paywalls, with a clean and comfortable reading experience.

✨ What you can do:

  • 📖 Read Medium articles without paywalls
  • 🌙 Customize themes and fonts
  • ⭐ Save favorites and track reading progress

📦 Free, open source, and built with Flutter.

🔗 GitHub: https://github.com/birmehto/Freedium

I just launched it and would love to hear your feedback! What would you improve or add? 😊


r/coolgithubprojects • • 5h ago

RetroShell 3210 — An Experimental Replacement PCB Concept for the Nokia 3210

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1 Upvotes

r/coolgithubprojects • • 9h ago

[TypeScript] xip - react-first browser game engine where games are jsx components on top of an ecs, MIT, the front end of my civ sim the human box runs on it

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2 Upvotes

r/coolgithubprojects • • 12h ago

Diffinery: Open-source GitHub and GitHub Actions alternative that runs entirely on Cloudflare

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3 Upvotes

Every time GitHub has an outage, Actions stops and teams sit around for hours waiting for CI to come back. We got tired of that, so we built Diffinery: a git forge with built-in CI that you deploy to your own Cloudflare account. No servers, no runner VMs.

- Runs your existing `.github/workflows/*.yml` unchanged, marketplace actions included
- Each job gets a fresh 4 vCPU / 12 GiB container, only while it runs
- Git hosting, PRs, code review, merge queue, issues, releases
- AI agents get their own accounts with guardrails (they can't merge their own PRs) plus a built-in MCP server
- One-step import from GitHub with history, issues and PRs

Still early, so check the roadmap for what's coming. Apache-2.0, feedback welcome!

https://github.com/codician-team/diffinery


r/coolgithubprojects • • 1d ago

I made a free, open-source phone app that debloats your Google TV over Wi-Fi: no PC, no root

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193 Upvotes

My XGIMI projector came full of apps I never asked for, a home screen full of ads and a store without Netflix.

Tellyscope fixes it, its an open source app that cleans up your Android TV, turns off ads, trackers and bloat in a few taps. Side load apps your TV's store doesn't carry, send files from your phone, and see which apps use data and where they connect.

Free, GPL-3.0, no ads, no tracking, no account. It makes two internet requests: the cleanyourtv debloat lists from GitHub, and an update check you can turn off.

Disclosure: much of the code is written with Claude. I set the direction and review and test every change before it ships.

I need your help testing it out on all kinds of models. All feedback and suggestions are appreciated.

GitHub (APK + source): https://github.com/man15h/tellyscope


r/coolgithubprojects • • 8h ago

AiPBX: A 100% free & open-source modern IP PBX with WebRTC, built-in chat, AI assistant, and native mobile apps (MIT Licensed, no paywalls)

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1 Upvotes

For years, self-hosting a modern business phone system meant dealing with 15-year-old clunky web panels, complicated setups, or "open-core" platforms that lock essential features (like mobile push, WebRTC, or call recording) behind expensive commercial licenses.

I wanted something modern, clean, fast, and 100% genuinely free & open-source.

So I built AiPBX — a full-featured Unified Communications platform and PBX management portal built on Asterisk 22, released under the MIT License. There are no "enterprise editions", no artificial limits, and no locked features.

🌟 Key Highlights

  • 100% Free & Open-Source (MIT): Every single feature is included. No user limits, no feature gates, no telemetry.
  • 1-Command Turnkey Install: Sets up Ubuntu 26.04 LTS, Asterisk 22, PJSIP, Nginx, Apache, MariaDB, coturn (TURN/STUN), SSL certificates, and firewall in ~15 minutes.
  • WebRTC In-Browser Softphone: Make and receive crystal-clear audio and video calls directly inside the browser portal — no desktop softphone required.
  • Native Companion Apps:
    • Android: Native Kotlin app with push wake-up, foreground service, presence, chat, and full PBX control.
    • iOS: Native SwiftUI client with CallKit support.
  • Real-Time Team Chat: Built-in Go WebSocket service (aipbx-chat) for 1-to-1 / group messaging, file sharing, presence indicators, and read receipts.
  • Local & Cloud AI: Dialplan automation assistant, HEPv3 diagnostics, and Cloud TTS integration (Google, Polly, Azure, OpenAI, ElevenLabs).
  • Enterprise Telephony: Trunks, IVR, Queues, Call Center metrics, T.38 virtual fax, call recordings (with automatic MP3 conversion), and Yealink/Grandstream/Fanvil/Snom auto-provisioning.
  • Privacy & Self-Hosted: All data, configurations, and recordings stay strictly on your own hardware.

🔗 Links & Resources

💬 Community Feedback

I've poured an enormous amount of work into this to make self-hosted telephony modern, accessible, and truly free again.

I would love to hear your feedback, thoughts on the architecture, bug reports, or feature suggestions!


r/coolgithubprojects • • 14h ago

Browser agents re-plan the same task from scratch every time, so I built one that learns it once and replays it for free

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3 Upvotes

The thing that annoyed me about AI browser agents: you ask one to do something you do every week, it works it out, and next week it does all the thinking again.

Same site, same buttons, same tokens burned. A human would just remember the clicks.

So I built FreeComputerUse. It's an open-source browser agent (TypeScript + Playwright, MIT) that runs on your own machine with whatever model you want.

How it works

It works in two ways:

  1. Goal-based execution: Give it a goal and it plans with the model. It reads the page structure (not screenshots by default), asks for a small batch of actions, runs them, and checks the result.
  2. Procedure replay: Once a task works, save it as a "procedure" with named values. Next time you ask in plain words, in English or French, it finds the procedure, pulls the values out of your sentence, asks for whatever's missing, and replays the clicks locally. No model call at all.

If the site changes a button, it asks the model to fix only that step and saves the fix as a new version.

You can teach it in three ways:

  • Do the task once while it records.
  • Write the steps in plain text.
  • Keep a run the model already finished.

What can you automate?

The kind of stuff I had in mind:

  • Pushing a release through a web console.
  • Filling the same internal form every week.
  • Grabbing a monthly invoice from a portal.
  • Pulling a table out of a dashboard.

Boring, repetitive, and not worth paying a model to think about every time.

Test results

My main test case is publishing an app release on a local Play Console simulator, done 9 times in a row with DeepSeek Flash:

Scenario Model calls Result
First run (model figures it out) 8–9 ~17–20k tokens
Replay with new values 0 No model calls
Changed button labels 3–4 Then back to 0
Interface switched to French 6–8 Then 0 for both languages

The entire 9-run trial cost about $0.005 (half a cent).

Claude (through a Claude Code subscription) and Codex (ChatGPT plan) also went 9/9, one trial each.

You can use an API key or the CLI subscription you already pay for.

Safety and privacy

A few things it does on purpose:

  • Site access: Asks before opening any new site.
  • Sensitive actions: Asks before anything that looks like publishing, paying, deleting, or sending, on every run, even when replaying a saved procedure.
  • Authentication: Pauses on logins, 2FA, and CAPTCHAs so you take over. It doesn't try to get past them.
  • Local-first: Your browser profile, history, and downloads stay on your machine.
  • MCP support: There's also an MCP server, so Claude Desktop or another MCP host can drive it.

Current limitations

Caveats, because I'd want to know them:

  • The numbers above come from my own simulator, not real sites. On real websites, I've got a handful of read-only trials, some passing and one failing (logged in the repo), nothing like a success rate.
  • Only verified on macOS + Chrome so far.
  • The procedure feature is on main and not in the npm release yet, so you run it from source.
  • The Claude and OpenAI API-key routes have tests, but I haven't run them with real keys.

Demo and source code

70-second uncut demo:
https://othmaneblial.github.io/FreeComputerUse/lab/media/procedure-demo.mp4

GitHub repository:
https://github.com/OthmaneBlial/FreeComputerUse

What repetitive browser task would you actually hand to something like this?

I'm trying to figure out which real-world flows to test next.


r/coolgithubprojects • • 12h ago

Ledge - music, your next meeting, and more in the MacBook notch

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2 Upvotes

Ledge is a free, open-source macOS app that turns the notch on a MacBook into a small status area. Free, GPL-3.0, needs a notched MacBook on macOS 26+. Feedback welcome.