Open Source

public-apis

Python

100

A collective list of free APIs

postiz-app

TypeScript

100

📨 The ultimate agentic social media scheduling tool 🤖

romm

Python

95

A beautiful, powerful, self-hosted ROM manager and player.

lore

Rust

90

Lore is a next-generation, open source version control system

doc7

Go

82

Turn documents into AI-ready Markdown with visual understanding

workout-guide

Astro

80

302 open exercise illustrations and a framework-neutral npm package by Bryl Lim

pdfx

TypeScript

85

A free-floating 2D Canvas for processing multiple PDF files simultaneously

capptivo

TypeScript

77

Give your demos the spotlight they deserve ( Mac/Windows/Linux ).

Hermes3D

TypeScript

77

Hermes3D is an open source 3D engine built on Hermes Agents for creating games, simulations, and high-performance 3D applications.

hilight-studio

Kotlin

67

Experimental Pixel 11 HiLight LED controller for Android 17.

OpenSlides

TypeScript

72

Free, open-source, offline desktop app for creating animated code presentations. Magic Move transitions, 16 syntax themes, highlight steps, autoplay , built with Tauri + Svelte5. An alternative to CodeSlides.app.

procedural-sounds

TypeScript

73

Procedural interface sounds, with taste. Generated live in the browser from recipes, steered by a hand-curated library and calibrated by ear. No audio files. Beta, open to collaborators.

FreeFrame

TypeScript

77

Open source alternative for frame.io

compdf-self-hosted

TypeScript

72

Edit, convert, and transform documents across PDFs, Office formats, HTML, TXT, CSV, RTF, JSON, and images with ComPDF Self-hosted, an open-source PDF platform.

md2hd

JavaScript

72

Markdown, mapped - the MD2HD CLI. Pull the repo, tell your agent to create an MD2HD map, visually comprehend complex topics and relationships.

open-sheet

TypeScript

77

The spreadsheet framework built for agents — write the model as React, export a live .xlsx. The third medium, after open-slide and open-doc.

shelftxt

Python

58

Open-source FastAPI recommendation engine for books • backend architecture • data handling • scalable systems