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421 projects, sorted by GitHub stars.

touchHLE

InDeveloper Tools

High-level emulator for early iOS apps on modern platforms

  • 4,028 GitHub stars
  • MPL-2.0Licence MPL-2.0

Cinny

Alternative toElement

Elegant open source Matrix client for self-hosted chat

  • 3,940 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Chat

Piwigo

Alternative toSmugMug

Self-hosted photo library with albums, controls, and plugins

  • 3,869 GitHub stars
  • GPL-2.0Licence GPL-2.0

Radar

Alternative toLens

Open-source Kubernetes UI with topology, GitOps, and AI agent MCP.

  • 3,866 GitHub stars
  • Apache-2.0Licence Apache-2.0

LimeSurvey

Alternative toSurveyMonkey

Open source survey platform for complex questionnaires

  • 3,769 GitHub stars
  • GPL-2.0Licence GPL-2.0

Letta

Alternative toMem0

Give your LLM agents persistent memory across every conversation

  • 3,663 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Craft CMS

Alternative toContentful

Flexible developer-friendly CMS for content teams

  • 3,617 GitHub stars
  • #CMS

EspoCRM

Alternative toSalesforce Sales Cloud

Self-hosted open source CRM for contacts and pipelines

  • 3,503 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #CRM

Atomic Agent

Alternative toGrok Bot

Local-first AI agent that runs on your machine, drives real tools.

  • 3,425 GitHub stars
  • MITLicence MIT
  • #LLM

tuicr

Alternative toGraphite

Terminal UI for code review with vim keybindings and GitHub-style

  • 3,419 GitHub stars
  • MITLicence MIT

sie

Alternative toBaseten

One self-hosted cluster for all the models your agents need

  • 3,416 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Revolt

Alternative toDiscord

Self-hosted open source Discord alternative with servers

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