Free to list, always.No paid rankings. Every recommendation explains its trade-offs.
OpenSourceChoice
Submit a project
OpenSourceChoice

Open-source projects tagged “Codex”.

Inspect repositories, licenses, activity, and alternatives across the Codex ecosystem.

7 projects connectedTag matches come from repository topics and catalog metadata.
Understand-Anything
MIT

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.5 projects#TypeScriptProjects tagged with this topic in the verified catalog.6 projectsantigravity-skillsProjects tagged with this topic in the verified catalog.1 projectbusiness-knowledgeProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.5 AI-native projectsClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree74.3K6.2K31 hours ago
Alternatives toClaude CodeClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives+2
codebase-memory-mcp
MIT

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

Data & AnalyticsOpen-source projects grouped in this category for discovery and comparison.1 project#CProjects tagged with this topic in the verified catalog.1 projectSwiftProjects tagged with this topic in the verified catalog.1 projectaiderProjects tagged with this topic in the verified catalog.1 projectMCPModel Context Protocol discovery hub. Compare open MCP servers, clients, and gateways versus closed AI plugin marketp…1 alternative
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree31.8K2.5K45 hours ago
Alternatives toMCPMCPModel Context Protocol discovery hub. Compare open MCP servers, clients, and gateways versus closed AI plugin marketp…1 alternative+4
agentmemory
Apache-2.0

#1 Persistent memory for AI coding agents based on real-world benchmarks

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.5 projects#TypeScriptProjects tagged with this topic in the verified catalog.6 projectsagentmemoryProjects tagged with this topic in the verified catalog.1 projectagentsProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.5 AI-native projectsClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree25.2K2.1K4 days ago
Alternatives toClaude CodeClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives+2
Orca
MIT

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.5 projects#TypeScriptProjects tagged with this topic in the verified catalog.6 projectsGithub ActionsProjects tagged with this topic in the verified catalog.1 projectJavaScriptProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.5 AI-native projectsWarpProprietary modern terminal for developers.1 alternative
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree19.8K1.5K26 hours ago
Alternatives toWarpWarpProprietary modern terminal for developers.1 alternative+5
Letta
Apache-2.0

Stateful agents that are like people, with memory, identity, and the ability to learn and adapt

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.5 projects#TypeScriptProjects tagged with this topic in the verified catalog.6 projectsagent-memoryProjects tagged with this topic in the verified catalog.1 projectaiProjects tagged with this topic in the verified catalog.3 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.5 AI-native projectsClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree2.8K33026 hours ago
Alternatives toClaude CodeClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives+2
TypeUI
License not declared

Build better UI with AI

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.5 projects#TypeScriptProjects tagged with this topic in the verified catalog.6 projectsagent-skillsProjects tagged with this topic in the verified catalog.1 projectaiProjects tagged with this topic in the verified catalog.3 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.5 AI-native projectsClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree1.5K11712 days ago
Alternatives toClaude CodeClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives+2
OpenClix
MIT

Open-source, local-first mobile app retention and engagement automation with agent-driven workflows.

Content & CollaborationOpen-source projects grouped in this category for discovery and comparison.1 project#TypeScriptProjects tagged with this topic in the verified catalog.6 projectsandroidProjects tagged with this topic in the verified catalog.1 projectclaude-codeProjects tagged with this topic in the verified catalog.4 projectsSelf-hostedThis project carries a self-hosting or local-deployment signal. Verify the official install guide before production use.1 self-hosted optionClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives
Metrics syncingMetrics syncingStar momentum for this project has not landed in the latest GitHub metrics sync yet. Check trending for repositories with recorded momentum.Browse trending →
FreePricingFree and open sourceFree392Apr 2, 2026
Alternatives toClaude CodeClaude CodeAnthropic agentic coding assistant. Viral demand includes Claude Code plugins and MCP-style tools—compare open agents…2 alternatives+2
Showing 7 of 7