Useful GitHub Repositories – Uses & Examples

🧾

Business

Free GST Billing Software

IamRamgarhia/Free-GST-Billing-Software

Free, open-source GST billing & invoicing software for India — works offline, no signup, no limits.

✨ Uses

Make GST invoices and save them as PDFA shop owner bills a customer with CGST + SGST, then prints or WhatsApps the PDF
Create quotations, bills of supply, credit notes & delivery challansA freelancer sends a proforma estimate before starting the work
Get GST return reports (GSTR-1, GSTR-3B, GSTR-2B reconciliation)Hand your CA the month's GSTR-1 summary in one click
Manage inventory and track TDS / TCSStock reduces automatically every time you make a bill
Bill international clients in 22 currenciesA consultant raises an export invoice to a US client in USD
Free alternative to Tally, Vyapar, Zoho & myBillBookSave the yearly subscription — data stays on your own PC, even offline

Example: Install in 3 steps

1. Download the ZIP from GitHub → Releases (about 16 MB)
2. Right-click the ZIP → Extract All
3. Double-click "Free GST Billing - WINDOWS.hta" → click Install

The app opens in your browser at http://localhost:47371
Next time, just use the Desktop icon.

🧾 GST 💼 Small Business 📴 Works Offline 💻 Windows / Mac / Linux 🆓 Open Source

View on GitHub

🚚

Logistics

Fleetbase

fleetbase/fleetbase

Open-source logistics & supply chain platform — dispatch, fleet tracking, delivery, warehouse and invoicing in one system.

✨ Uses

Dispatch orders and manage drivers & vehiclesA courier company assigns 200 daily parcels to drivers from one Kanban order board
Live tracking on a map with geofencesA food-delivery business shows customers exactly where their rider is
Plan and optimise delivery routesA trucking firm batches orders and schedules routes before vehicles leave the depot
Driver mobile app with proof of deliveryDrivers use the free Navigator app to capture a photo or signature at each drop
Warehouse, online store and invoicing modulesTrack stock and pick lists, sell online, and raise invoices for each delivery
Build your own logistics app on its APIA developer connects a Shopify store so every order creates a delivery automatically

Example: Run it on your computer

# Needs Docker, Git and Node.js 18+ (4 GB RAM for Docker)
npm install -g @fleetbase/cli
flb install-fleetbase

# Then open the console:  http://localhost:4200
# API runs at:           http://localhost:8000

🚚 Fleet Management 📍 Live Tracking 📦 Delivery 🐳 Self-hosted 🆓 Open Source

View on GitHub

🎨

Creative

ArtCraft Launcher

storytold/craft-launcher

One free app to install, update and open every Craft creative app — photo, video, design, PDF, slides, sheets and more.

✨ Uses

Install any Craft app in one clickGet PhotoCraft for photo editing or PdfCraft for PDFs without searching release pages
Automatically picks the right version for your PCDownloads the Windows MSI on a laptop, the DMG on a Mac, or .deb / AppImage on Linux
Keeps all your apps up to dateGet a notification when FilmCraft has a new release, and update it with one click
Safe downloads, checked automaticallyEvery file is verified against the official SHA-256 checksum before it is installed
Open all creative apps from one placeLaunch WordCraft, DeckCraft or GridCraft from the system tray or menu bar
Works in 13 languagesSwitch the interface to Spanish, Japanese or German from Settings → Language

Example: Get started in 3 steps

1. Open GitHub → Releases → Latest release
2. Download the file for your computer
   (Windows .msi · Mac .dmg · Linux .AppImage / .deb)
3. Install it, open the launcher and click Install
   on any app — e.g. PhotoCraft or PdfCraft

🎨 Design & Media 🔄 Auto Updates 🦀 Rust 💻 Windows / Mac / Linux 🆓 Open Source

View on GitHub

🤖

AI & Automation

agent-desktop

vercel-labs/agent-desktop

Lets AI agents see and use desktop apps — click, type and fill forms in any app on Windows, Mac or Linux.

✨ Uses

Let an AI agent operate desktop apps for youAn agent opens an accounting app, fills an entry form and clicks Save
Reads every button and field by an exact ID — no guessing from pixelsA snapshot of Finder lists all clickable items, each with its own ref
Automatically test your own desktop appAn agent clicks through every screen of your Windows app and reports what breaks
Move data between apps without copy-pasteRead values from one app and type them into another app's form
Control windows, notifications and the clipboardOpen an app, maximise its window, read the clipboard and dismiss notifications
Works with Claude Code and other AI agentsAdd it as a skill so your coding agent can check the app it just built

Example: Install and try

npm install -g agent-desktop

# 1. See the app: lists every clickable element with a ref
agent-desktop snapshot --app Finder -i

# 2. Act on one element using its ref
agent-desktop click @s8f3k2p9:e8

# 3. Snapshot again to check it worked
agent-desktop snapshot --app Finder -i

🤖 AI Agents 🖱️ Desktop Automation ⌨️ CLI 💻 Windows / Mac / Linux 🆓 Open Source

View on GitHub

🎬

Creative

AutoShorts

JayWebtech/autoshorts

Free desktop app that turns long videos or podcasts into vertical 9:16 Shorts / Reels, with AI picking the most viral moments.

✨ Uses

Turn one long video into many short clipsA 1-hour YouTube tutorial becomes 8–10 ready Shorts in minutes
AI finds and ranks the most viral momentsIt scores each moment and suggests a strong hook, so you post the best parts first
Auto-crops landscape video to vertical 9:16A Zoom webinar recording becomes portrait clips for Instagram Reels
Automatic transcription and captionsYour podcast audio is transcribed and captions are added to each clip
Works fully offline if you wantUse free local AI (Ollama + Whisper) — your videos never leave your computer
Organise work as projectsKeep each course, podcast episode or client video as its own project

Example: Get started

1. Install FFmpeg (needed for cropping and captions)
   Windows (PowerShell):  winget install Gyan.FFmpeg
2. Download AutoShorts from GitHub → Releases
   (Windows .msi · Mac .dmg · Linux .deb / .AppImage)
3. First launch → choose Offline (Ollama + Whisper)
   or Cloud (Deepgram + DeepSeek / Claude API keys)
4. Import your video → get ranked 9:16 clip ideas

🎬 Video Editing 📱 Shorts / Reels 🤖 AI 💻 Windows / Mac / Linux 🆓 Open Source

View on GitHub

🎥

Creative

Hypit

hypit-ai/hypit

Lets AI agents like Claude Code clone any viral video — swap the face, words and B-roll, and make many variants with one command.

✨ Uses

Clone the full workflow of a viral videoDrop in a trending Reel — the agent rebuilds its footage, captions, B-roll and effects
Make many versions from one videoKeep the structure, swap the host, hook or product, and get 50 ad variants the same day
Create video from a simple description"/hypit Make a ranking video that puts our product in S tier"
Word-level captions, B-roll and sound effects added automaticallyKaraoke-style captions synced to every spoken word, with beat-synced cuts
Translate a video into other languagesThe same ad in Hindi, Spanish and English — the timing adjusts itself
Podcast, interview and product videosSplit-screen podcast clips with speaker-coloured captions for TikTok or Shorts

Example: Install and use with Claude Code

# Install the Hypit skill once
npx skills add hypit-ai/hypit -g

# Then, inside your AI coding agent:
/hypit Clone this video: /path/to/video.mp4 and replace
       the content with my product

# Or start from an idea:
/hypit Make a 20-second ranking video of top Excel formulas

🎥 AI Video 📱 Reels / Shorts / TikTok 📣 Ads & Marketing 🤖 Claude Code / Codex 🆓 Free for own use

View on GitHub

🧠

AI & Automation

Hermes Agent

NousResearch/hermes-agent

A personal AI assistant that learns and remembers as you use it — chat from Terminal, Telegram or WhatsApp, with any AI model.

✨ Uses

Your own AI assistant that remembers youIt recalls your projects and preferences from past chats, so you don't repeat yourself
Chat from Telegram, WhatsApp, Discord, Slack or TerminalSend a voice note on Telegram while it works on your server in the background
Learns new skills from your tasksAfter you show it how to make your weekly report once, it saves that as a reusable skill
Scheduled automations in plain English"Every morning at 9, send me a summary of yesterday's sales on WhatsApp"
Use any AI model — no lock-inSwitch between OpenAI, OpenRouter, Nous models or your own with one command: hermes model
Runs anywhere — laptop, cloud server or DockerKeep it running 24/7 on a cheap VPS and talk to it from your phone

Example: Install and start

# Windows (PowerShell)
iex (irm https://hermes-agent.nousresearch.com/install.ps1)

# Linux / macOS / WSL2
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash

hermes setup      # one-time setup wizard
hermes model      # choose your AI model
hermes            # start chatting
hermes gateway    # connect Telegram / WhatsApp / Discord

🤖 AI Agent 🧠 Memory & Skills 💬 Telegram / WhatsApp ⏰ Automation 🆓 Open Source (MIT)

View on GitHub

▶️

Creative

YouTube Agent Skill

Jakeschincariol/youtube-agent-skill

11 free Claude skills to grow a YouTube channel — scripts, hooks, titles, thumbnails, Shorts, SEO and retention analysis.

✨ Uses

Write a video script with a strong hook (/yt-script)Turn "Top 5 Excel shortcuts" into 5 scored hook options and a full spoken script
Check title and thumbnail together (/yt-package)Catches titles that get cut off or repeat the same words as the thumbnail
Find where viewers leave your video (/yt-retention)Reads your YouTube Studio retention export and shows the exact second people dropped off
Get edit notes and chapters from a transcript (/yt-edit, /yt-chapters)Lists dead air, filler words and retakes with timecodes, plus ready chapters
Cut Shorts from a long video (/yt-shorts)Finds 3–5 Short-worthy moments in a tutorial and writes a new first line for each
SEO, weekly plan, comments and channel audit/yt-seo writes the description, /yt-plan fits a week to your hours, /yt-audit gives ONE top fix

Example: Install in Claude Code

# Option 1 – install as a plugin inside Claude Code
/plugin marketplace add Jakeschincariol/youtube-agent-skill
/plugin install youtube-agent

# Option 2 – copy the skills yourself
git clone https://github.com/Jakeschincariol/youtube-agent-skill.git
cp -r youtube-agent-skill/skills/yt-* ~/.claude/skills/

# Then try:
/yt-script How to make a dashboard in Excel in 10 minutes

▶️ YouTube ✍️ Scripts & Hooks 📈 SEO & Retention 🤖 Claude Skills 🆓 Open Source (MIT)

View on GitHub

Useful GitHub Repositories, Explained Simply

Free GST Billing Software

✨ Uses

Fleetbase

✨ Uses

ArtCraft Launcher

✨ Uses

agent-desktop

✨ Uses

AutoShorts

✨ Uses

Hypit

✨ Uses

Hermes Agent

✨ Uses

YouTube Agent Skill

✨ Uses

💡 Know a useful repo?