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578 projects, sorted by GitHub stars.

googletest

Alternative toParasoft C/C++test

C++ testing and mocking framework by Google

  • 39,654 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

VoxCPM

Alternative toElevenLabs

Tokenizer-free multilingual text-to-speech with voice cloning

  • 39,615 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI SDK

Mattermost

Alternative toSlack

Team messaging for security-sensitive teams with air-gap support

  • 39,388 GitHub stars
  • #Chat

PageIndex

Alternative toAmazon Kendra

AI-powered document understanding with explainable retrieval

  • 39,352 GitHub stars
  • MITLicence MIT
  • #LLM

Spacedrive

Alternative toExpanDrive

Unified file explorer that spans your devices and cloud drives

  • 39,272 GitHub stars
  • Apache-2.0Licence Apache-2.0

Maigret

Alternative toSocial Links

Collect OSINT data by username effortlessly

  • 39,239 GitHub stars
  • MITLicence MIT

freellmapi

Alternative toOpenRouter

One OpenAI-compatible key for 635 free LLM endpoints

  • 38,191 GitHub stars
  • MITLicence MIT
  • #LLM

llmfit

InAI & Machine Learning

One command to rank every LLM against your hardware.

  • 38,170 GitHub stars
  • MITLicence MIT
  • #LLM

CopilotKit

Alternative toVercel AI SDK

Add in-app AI copilot chat and actions to any React application

  • 38,138 GitHub stars
  • MITLicence MIT
  • #AI Agents

Postiz

Alternative toHootsuite

Schedule content on 20+ social networks with AI writing support

  • 37,449 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

1Panel

Alternative tocPanel & WHM

One-click Docker and SSL from a web-based Linux server panel

  • 37,216 GitHub stars
  • GPL-3.0Licence GPL-3.0

Nextcloud

Alternative toMicrosoft OneDrive

Self-hosted collaboration hub with file sync, calendar, and messaging.

  • 37,178 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
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