parlant alternatives

emcie-co/parlant (18k stars, +131 this week): Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable…

Below are 12 other LLM tooling repos tracked by OSS Radar that share at least two GitHub topics with parlant, ordered by how many topics overlap, then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. langchain-ai/langgraph

   +358/wk

   Build resilient agents.

   44k stars · Python · shared topics: ai-agents, gemini, llm, openai, python · langgraph alternatives

2. 2. langchain-ai/langchain

   +331/wk

   The agent engineering platform.

   148k stars · Python · shared topics: ai-agents, gemini, llm, openai, python · langchain alternatives

3. 3. langgenius/dify

   +624/wk

   Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace.

   159k stars · Python · shared topics: genai, llm, openai, python · dify alternatives

4. 4. AstrBotDevs/AstrBot

   +547/wk

   AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw…

   42k stars · Python · shared topics: gemini, llm, openai, python · AstrBot alternatives

5. 5. trailhq/Trail-Code

   +511/wk

   Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your…

   10k stars · TypeScript · shared topics: ai-agents, gemini, llm, openai · Trail-Code alternatives

6. 6. mem0ai/mem0

   +376/wk

   The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

   68k stars · Python · shared topics: ai-agents, genai, llm, python · mem0 alternatives

7. 7. asgeirtj/system_prompts_leaks

   +367/wk

   Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex.

   70k stars · Python · shared topics: ai-agents, gemini, llm, openai · system_prompts_leaks alternatives

8. 8. decolua/9router

   +363/wk

   Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers.

   31k stars · JavaScript · shared topics: ai-agents, gemini, llm, openai · 9router alternatives

9. 9. datawhalechina/easy-vibe

   +140/wkest.

   💻 Vibe Coding 101｜Your First Course For AI Product Builders.

   20k stars · JavaScript · shared topics: gemini, genai, llm, openai · easy-vibe alternatives

10. 10. Graphify-Labs/graphify

    +3.3k/wk

    Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph.

    130k stars · Python · shared topics: ai-agents, gemini, llm · graphify alternatives

11. 11. rohitg00/ai-engineering-from-scratch

    +3k/wk

    Learn AI Engineering! Learn it. Build it. Ship it for others.

    72k stars · Python · shared topics: ai-agents, llm, python · ai-engineering-from-scratch alternatives

12. 12. diegosouzapw/OmniRoute

    +2.6k/wk

    Never stop coding. Free MIT AI gateway: one endpoint, 375 providers (150+ free), 1,400+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek…

    79k stars · TypeScript · shared topics: ai-agents, gemini, openai · OmniRoute alternatives

More: all trending LLM tooling repos · compare parlant with the top 2 · alternatives to other trending repos