Tags: #api - OSS Alternative - Discover Top Open Source Alternatives to Popular Software

Tags: #api

AI Agent Memory Infrastructure
Node.js
13.9k

MemoriLabs/Memori

Memori provides an LLM-agnostic layer that transforms AI agent execution and conversations into structured, persistent memory for production systems.

AI-powered Web Data API
111.8k

firecrawl/firecrawl

An API for AI agents to reliably search, scrape, and interact with the web, providing clean, LLM-ready data at scale.

Backend-as-a-Service Platform
Postgres
101.4k

supabase/supabase

An open-source Firebase alternative providing a full suite of backend services built around a dedicated Postgres database for web, mobile, and AI applications.

Search Engine API
57.3k

meilisearch/meilisearch

A lightning-fast, AI-powered search engine API designed for seamless integration, offering out-of-the-box features for delightful search experiences.

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Local AI Model Server
Docker
170.0k

ollama/ollama

Run open-source large language models locally on your machine with a simple CLI, REST API, and client libraries.

AI Model Inference Serving Platform
Python
9.3k

xorbitsai/inference

A unified, production-ready inference API for deploying and serving open-source language, speech, and multimodal AI models on various infrastructures.

AI Development Library
python
3.8k

shroominic/codeinterpreter-api

An open-source Python library providing a LangChain-compatible implementation of the ChatGPT Code Interpreter for sandboxed code execution.

RAG Development Framework
Docker
4.4k

truefoundry/cognita

A production-ready RAG framework that provides modular, API-driven components and a UI to streamline the deployment and management of Retrieval Augmented Generation applications.

AI Agent Development Platform
Node.js
22.2k

letta-ai/letta

A platform for building stateful AI agents equipped with advanced memory, enabling them to learn and self-improve over time.

Curated Resource List
19.6k

cheahjs/free-llm-api-resources

A comprehensive list of free and trial-based LLM inference resources accessible via API.

Anime Reverse Image Search Engine
Docker
5.0k

soruly/trace.moe

Trace back an anime scene with a screenshot, identifying the anime, episode, and exact timestamp.

AI-powered Search & RAG Platform
Docker
2.6k

devflowinc/trieve

An all-in-one API platform for building intelligent search, recommendations, and RAG applications with advanced semantic capabilities.

Text-to-Speech API Server
Docker
4.8k

remsky/Kokoro-FastAPI

A Dockerized FastAPI wrapper for the Kokoro-82M text-to-speech model, offering multi-language support, CPU/GPU inference, and an OpenAI-compatible API.

Text-to-Speech Web Interface
Python
7.5k

jianchang512/ChatTTS-ui

Provides a local web interface and API for ChatTTS to synthesize text into speech, supporting mixed Chinese, English, and numbers.

Bot Development Library
Node.js
9.1k

yagop/node-telegram-bot-api

A Node.js module to interact with the official Telegram Bot API, simplifying bot creation and management.

Social Media Automation Platform
PNPM
3.3k

growchief/growchief

An open-source API-based tool for automating social media outreach, enabling human-like interactions and workflow management across platforms.

Email Sending Infrastructure
Docker
4.2k

usesend/useSend

An open-source email sending infrastructure providing a reliable, cost-effective alternative to commercial services like Resend, Sendgrid, and Postmark, with a comprehensive dashboard and marketing features.

Self-hosted Web Archiving Tool
Docker
27.2k

ArchiveBox/ArchiveBox

An open-source, self-hosted web archiving tool designed to preserve web content from various sources in multiple durable formats for long-term access.

Data Synchronization Engine
Postgres
10.1k

electric-sql/electric

A real-time sync engine for Postgres, simplifying partial replication, fan-out, and data delivery for modern applications.

AI Prompt & Workflow Repository
12.3k

EvoLinkAI/awesome-gpt-image-2-API-and-Prompts

A comprehensive collection of GPT-Image-2 API patterns, curated prompts, and reusable visual workflows for advanced AI image generation.

AI Art Generation Library/Framework
Python
3.8k

jina-ai/discoart

Create stunning Disco Diffusion artworks with a single line of Python code, offering a professional API and robust integration capabilities.

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