An open-source cross-platform alternative to AirDrop

A lightweight, lightning-fast, in-process vector database

Full Text Search Engine - built for Hackers not Hyperscalers

How to build bitcoin from scratch

BinaryRpc designed for latency-sensitive applications such as multiplayer games, financial tick streams, and IoT dashboards, delivering ultra-low latency and minimal overhead. With a modular archit…

PNG image decoder and encoder written entirely in JavaScript

🍕 Peer-to-peer file transfers in your browser

Private BitTorrent tracker generator

Go toolkit for clean, composable, channel-based concurrency

An experiment in scalable routing as an encrypted IPv6 overlay network

Easy to maintain open source documentation websites.

Free and open-source map hosting solution with custom styles for websites and apps, using OpenStreetMap data

A MobX powered state management solution based on data trees with first class support for Typescript, support for snapshots, patches and much more

Peer-to-peer HTTP over WebRTC.

Self-hosted video downloader for YouTube and other sites (web UI for youtube-dl / yt-dlp)

free alternative to paid dynamic DNS services like NoIP.com

A tiny lightweight library for Fuzzy Search

Free, open source, HTML email template editor and no code designer.

The cryptography-based networking stack for building unstoppable networks with LoRa, Packet Radio, WiFi and everything in between.

Run web applications on AWS Lambda

Create Node modules in Swift

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

turnkey self-hosted offline transcription and diarization service with llm summary

Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.

Ultra fast, persistent database supporting Valkey API

🚀 gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

🪓 An orchestration engine for background tasks, AI agents, and durable workflows

A Bitcoin-without-Blockchain client w/ RPC that can fetch any block or transaction

Repo to collect bugs for https://whatpwacando.today/