Developer Open Source Tools

Alternative toDiscord

Self-hosted open source Discord alternative with servers

• 3,406 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Chat

InAI & Machine Learning

Control Codex agents from your iPhone, open source and free

• 3,345 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toNextDNS

Pi-hole-style DNS ad-blocker on a $2 ESP32-C3 board

• 3,299 GitHub stars
• MITLicence MIT

Alternative toAmazon S3

Decentralized S3 storage with end-to-end client-side encryption

• 3,282 GitHub stars
• AGPL-3.0Licence AGPL-3.0

InAI & Machine Learning

Phase-guarded workflow layer for AI coding agents, with eval built in

• 3,206 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toConductor

One desktop UI for all your AI coding agents.

• 3,177 GitHub stars
• MITLicence MIT

Alternative toAnyscale

Enterprise-grade RL framework for LLM post-training at scale

• 3,175 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toiText 7

Open source Java library for creating and parsing PDFs

• 3,133 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toGoogle Home

Self-hosted Amazon Echo alternative for $50 ESP32 hardware

• 3,127 GitHub stars
• Apache-2.0Licence Apache-2.0

InAI & Machine Learning

Structured coding workflows for Claude Code, Codex, and Pi

• 3,102 GitHub stars
• MITLicence MIT

Alternative toChatGPT Pro

Ollama-powered web researcher that breaks queries into focus areas

• 3,020 GitHub stars
• MITLicence MIT
• #LLM

Alternative toWebflow

Open source website builder for designers with visual editing and CMS.

• 3,012 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #No Code