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Curated open-source alternatives to popular tools — browse all 13 →
Recently added (latest 50)
Agensh (Microsoft Research multi-agent harness for coding agents)· tool, 2026-10-25 MIT-licensed Microsoft Research harness that runs a team of coding agents as a peer organization: agents share a Gitea workspace, a Mattermost message bus and a shared-context board, with no lead agent assigning work. The research paper scales to 1,024 agents; the public release, open-sourced 2026-10-24, is a single-node Docker Compose setup that needs your own LLM upstream.
HumanLayer (open-source platform to run and steer coding agents)· tool, 2026-10-24 Apache-2.0 platform that runs coding agents (Claude Code, Codex, OpenCode, Pi) on your own machines and lets a team steer tasks, sessions, plans and reviews from a desktop app, web app and per-host daemon. On 2026-10-23 HumanLayer replaced its older open-source SDK with the full current product code; the README says HumanLayer Cloud runs this code. Self-host guides are still in progress.
Gsearch (real Google Search for AI agents, MCP)· tool, 2026-10-23 MIT-licensed Python tool and MCP server that lets an AI agent run real Google searches through a locally driven Camoufox browser, positioned by its README as a free, self-hosted alternative to paid SERP APIs such as SerpAPI. Returns real result URLs, AI Overview and People also ask as typed JSON, with no API key. The README warns that automated Google access may breach Google's Terms of Service.
PGX (Postgres for agents)· tool, 2026-10-22 AGPL-3.0 Rust runtime that holds thousands of isolated, disposable Postgres databases in one process, so you can give every AI agent its own throwaway database instead of sharing one instance or paying to provision a managed DB per agent — self-hostable on Mac and Linux with no Docker.
AI Job Search· tool, 2026-10-22 MIT-licensed, Claude-Code-based job-application framework that runs on your own machine — evaluates postings, tailors CVs, writes cover letters, and preps interviews; built and open-sourced by a laid-off geophysicist who used it to land his next role.
DeepSeek DeepInfer· tool, 2026-10-21 Apache-2.0 inference engine open-sourced by DeepSeek for running its V4.1-Flash model offline on your own hardware — NVIDIA SM100 GPUs or Huawei Ascend 950 NPUs — instead of calling a hosted inference API, built from the official deepseek-ai/DeepInfer repo.
Flint (Recursive — open-weights local coding model)· tool, 2026-10-21 Apache-2.0 open-weights coding model from Recursive (Richard Socher) — a ~40B-total mixture-of-experts (~2.5B active, 262K context) that runs locally via llama.cpp, Ollama, LM Studio, vLLM or SGLang, plus an Apache-2.0 companion inference engine, so a team can run an agentic coding model on its own hardware instead of a metered cloud coding API.
Headroom (context-compression layer for AI agents)· tool, 2026-10-21 Apache-2.0, self-hostable context-compression layer (Rust core; Python/TypeScript SDKs) that compresses tool outputs, logs, JSON, RAG chunks and files before they reach the LLM to cut input tokens, shipping as a library, proxy, agent-wrap and MCP server, so a lean team can cut agent token spend on tooling it owns instead of a metered context-management SaaS.
Ming-3.0 speech models (Ant Group / inclusionAI — 5 open MIT TTS/audio/ASR models)· tool, 2026-10-20 MIT-licensed, self-hostable family of five Ming-3.0 speech models from Ant Group's inclusionAI across TTS, audio and ASR (from a 0.5B dense TTS up to a ~126B/6.5B-active audio MoE), with open Safetensors weights and documented local serving, so a lean team can own text-to-speech, audio and transcription instead of renting metered speech APIs.
Xing4.0-29B-Intent (TeleAI — open-weights intent/extraction MoE)· tool, 2026-10-20 Apache-2.0, self-hostable 29B-total mixture-of-experts model (~4B active) from China Telecom's TeleAI for schema-guided intent recognition, slot filling, NER, and relation/event extraction into structured JSON, with open Safetensors/FP8/GGUF weights a lean team can run locally instead of renting a closed extraction API.
Claude Ads (independent — AI agent for auditing ads across 12 platforms)· tool, 2026-10-19 MIT-licensed, self-hostable Claude Code skill / Python package that lets an AI agent audit and draft optimizations for ad accounts across 12 platforms (Google, Meta, YouTube, LinkedIn, TikTok and more), read-only by default with account changes gated behind explicit approval and rollback, so a lean team can run paid-ads review on tooling it owns instead of a managed ad-ops service.
Agentic Inbox (Cloudflare — self-hostable AI email agent)· tool, 2026-10-19 Apache-2.0, self-hostable email client with a built-in AI agent that runs entirely on Cloudflare Workers: it drafts replies with human-in-the-loop review using the Cloudflare Agents SDK and Workers AI, so a lean team can own an agentic inbox on infrastructure it controls instead of renting a closed AI-email SaaS seat.
Harness² (Google Research — recursive agent harnessing)· tool, 2026-10-18 Apache-2.0, self-hostable framework from Google Research that improves the harness around a frozen model (its instructions, guardrails, memory, tool guidance, subagents, skills, scripts, plugins) via a Propose-Probe-Compose loop with no retraining, so a lean team can raise an agent's benchmark results without touching model weights or paying for fine-tuning.
Horizon (self-hosted AI news radar)· tool, 2026-10-18 MIT-licensed, self-hostable news radar that fetches, dedups, scores, filters and enriches stories from RSS, Hacker News, Reddit, Telegram, X and GitHub into a daily English and Chinese briefing, so a founder can own a bring-your-own-key briefing pipeline instead of renting a hosted newsletter-curation SaaS.
Doory· tool, 2026-10-17 AAL-licensed, browser-based design editor that is a free, self-hostable alternative to Canva: make posters, social posts, stories, slides, invitations, resumes, thumbnails and business cards, then export to PNG, JPG, SVG, PDF, MP4 or GIF, with no account required to start.
Thesys OpenUI (Open Standard for Generative UI)· tool, 2026-10-16 MIT-licensed, self-hostable open standard for generative UI from Thesys: instead of hand-building every screen, an agent emits a typed UI spec that OpenUI renders into real interactive components (cards, sliders, buttons, forms), so a model can return a usable interface rather than a wall of text.
Clef (Cloudflare) — open-weight decision model· tool, 2026-10-15 Cloudflare's Clef and Clef-flash are Apache-2.0, open-weight decision models (a Qwen3-27B backbone that returns a typed choice, not generated text), a self-hostable alternative to the proprietary, US-hosted, paid Jev classifier — run them locally or on Workers AI with no data leaving your own infrastructure.
FLock THIS/THAT Model — deterministic decision classifier· tool, 2026-10-15 An MIT-licensed, self-hostable decision classifier from FLock.io and Oxford researchers that answers in a single forward pass with zero generated tokens, so unlike a text-generating LLM classifier it cannot parse-fail or drift; a 1.88B hybrid-attention model adapted from decider-2b, free to run locally.
AISI eval infrastructure (ControlArena + the Inspect family)· tool, 2026-10-14 The UK AI Security Institute's MIT-licensed, self-hostable eval and AI-control stack: ControlArena (control protocols on Inspect AI), plus the Transect capability-eval runner and Inspect Cyber, giving a lean team a free, owned alternative to paid eval platforms.
ArtCraft (Crafting Apps)· tool, 2026-10-14 Apache-2.0 suite of local-first Rust creative and office apps (PhotoCraft, VectorCraft, FilmCraft, PdfCraft, WordCraft and more) that replace Adobe and Microsoft 365 subscriptions, each driveable headless by CLI, JSON control stream, or MCP server for agents.
FeedHive AI Slop Detector· tool, 2026-10-13 MIT-licensed, self-hostable pattern library of 120 AI-writing 'slop' tells across 9 categories, shipped as patterns.json plus an agent skill for Claude Code and Codex so an AI drafts past its own giveaways before publishing.
ALwrity· tool, 2026-10-13 ALwrity is an MIT-licensed, self-hostable AI digital-marketing platform that generates multimodal content — blogs, LinkedIn posts, videos, podcasts — with brand consistency across channels, and integrates Google Search Console for SEO-aware writing. Python backend, React/TypeScript frontend.
AppFlowy· tool, 2026-10-13 AppFlowy is an open-source, self-hostable Notion alternative — an AI collaborative workspace for docs, wikis, and project boards that keeps 100% of your data under your control, with native desktop and mobile apps. Licensed AGPL-3.0.
Bento· tool, 2026-10-13 Bento is WarpStream Labs' MIT-licensed, OSI-open continuation of Benthos — forked from the project before it was relicensed to the source-available Redpanda Connect — giving config-driven, declarative stream-processing pipelines with at-least-once delivery across Kafka, AWS, Azure, GCP, and more. Written in Go.
DataForge· tool, 2026-10-13 DataForge is a free, self-hosted business-data enrichment platform that scrapes websites for emails and tech stacks and cross-references public US government registries — FCC ULS, the NPI healthcare-provider registry, and SAM.gov federal contractors — with local AI (via Ollama) for summaries, as an MIT-licensed alternative to Apollo, ZoomInfo, or Clearbit.
FreeCrawl· tool, 2026-10-13 FreeCrawl is an MIT-licensed, cross-platform desktop website crawler for SEO audits — a free, fully-local alternative to Screaming Frog that runs on your machine with no telemetry and no cloud. Built in TypeScript; still pre-1.0.
gh (GitHub CLI)· tool, 2026-10-13 gh is GitHub's official, MIT-licensed command-line interface, bringing pull requests, issues, releases, Actions, and other GitHub workflows to the terminal alongside git. Authenticates via OAuth device flow or a personal access token; written in Go and scriptable for automation.
Hatchet· tool, 2026-10-13 Hatchet is an MIT-licensed, self-hostable task-orchestration engine that runs background tasks, AI agents, and durable workflows at scale on a Postgres backend, with SDKs for Python, TypeScript, Go, and Ruby — no separate queue broker to operate.
Higress· tool, 2026-10-13 Higress is an Apache-2.0, Alibaba-built cloud-native API gateway on Envoy and Istio that doubles as an AI gateway — unifying LLM-provider routing, token rate-limiting, and model fallback with standard microservice routing and Kubernetes ingress, extensible via Wasm plugins.
Hookdeck Outpost· tool, 2026-10-13 Hookdeck Outpost is Apache-2.0 infrastructure for sending outbound webhooks and delivering events from your platform to your customers' systems. One self-hosted service fans a single event stream out to the widest set of destinations: webhooks plus AWS SQS, Kinesis, S3, EventBridge, GCP Pub/Sub, Azure Service Bus, RabbitMQ, Kafka, and Cloudflare Queues. Run it anywhere for free, or use the managed Hookdeck Outpost (same codebase, usage-based from $10 per million events).
proton-bridge· tool, 2026-10-13 Proton Bridge is Proton's official, GPL-3.0 desktop app that runs a local IMAP/SMTP server so standard mail clients (Outlook, Thunderbird, Apple Mail) can send and receive end-to-end-encrypted Proton Mail, decrypting locally after Proton login. Written in Go; it is the sanctioned integration path, so no terms-of-service risk.
RefearnApp· tool, 2026-10-13 RefearnApp is an AGPL-3.0 platform for building, tracking, and scaling referral and affiliate programs — affiliate management plus payout handling — that is 100% open-source and free for self-hosted users. Built on Next.js (TypeScript).
SwanLab· tool, 2026-10-13 SwanLab is an Apache-2.0 AI training-tracking and visualization tool that logs metrics, hyperparameters, and hardware data, compares experiments, and supports team collaboration — an open-source alternative to Weights & Biases offered as both a self-hosted deployment and a cloud service. Python.
tweepy· tool, 2026-10-13 Tweepy is an MIT-licensed Python library (~11.2k GitHub stars) that gives developers a clean interface to the official X (Twitter) API v2. It handles OAuth 1.0a and OAuth 2.0 auth plus API key / bearer tokens against a sanctioned developer app, so there is no ban risk the way scraping libraries (twikit, twscrape, snscrape) carry. Free and self-installed via pip; you bring your own X API credentials, which are subject to X's paid tiers and per-tier rate limits.
Omnara· tool, 2026-10-13 Omnara is the open-source managed-agent platform — a self-hostable alternative to Claude Managed Agents and OpenAI's Agents API. You bring the agent; Omnara runs it with hosting, sandboxes, durable state, permissions, and secrets, against any model via OpenAI or Anthropic endpoints (also OpenRouter, LiteLLM, Ollama). Self-host with Docker Compose or use Omnara Cloud free with your own keys. Ships a CLI, TypeScript SDK, and MCP server, reaching agents via Slack and Discord.
OpenBot· tool, 2026-10-13 Gives each AI agent its own isolated computer (browser, file workspace, tools) behind a policy gateway that reviews and audit-logs every action before it runs. Works with AG-UI agents (LangGraph, Mastra, CrewAI, Pydantic AI); model-agnostic and self-hostable.
FreeToken· tool, 2026-10-13 Edge-native Mixture-of-Experts inference engine that runs frontier open-weight models on consumer hardware by treating GPU/CPU/host-memory as one bandwidth-adaptive tier — the repo's framing is "datacenter-scale model serving on your desktop." Apache-2.0, desktop app + Python. The 35B-on-8GB-GPU and 2–4×-vs-Ollama figures are from the project's arXiv paper (2608.16157), not the current README.
Langfuse· tool, 2026-10-13 LLM engineering platform: observability, evals, prompt management, traces, and datasets — for diagnosing why a marketing/GTM agent made a bad recommendation, not just that it failed.
Milvus for DeepSeek Harness· tool, 2026-10-13 A read-only DeepSeek Harness (DSH) plugin that lets an agent inspect and search Milvus or Zilliz Cloud vector stores from chat: exact entity lookup, scalar queries, BM25 full-text, and dense+BM25 hybrid retrieval. Strictly read-only — no insert, delete, schema, index, or admin surface, enforced at the execution boundary rather than by prompt. Works with local Milvus Standalone or Zilliz Cloud; dense search uses DSH-managed embedding providers. Apache-2.0, free, self-hostable.
REA (Reverse Engineer Anything)· tool, 2026-10-12 MIT-licensed CLI and MCP server that gives AI coding agents reverse-engineering capability with no source access — native binaries, JS/Electron apps, .NET assemblies, Android APKs, websites, Go binaries, WASM, firmware, and EVM smart contracts — bridging to Ghidra, Hopper, and IDA, all analysis run locally.
awesome-mcp-servers· tool, 2026-10-11 Community-curated, MIT-licensed directory of Model Context Protocol servers spanning dozens of categories (browser automation, cloud infra, databases, design, research, media, dev tools) — a single discovery index instead of hunting GitHub topic tags for MCP integrations.
OpenCut· tool, 2026-10-11 Free, MIT-licensed, privacy-first video editor positioned as a CapCut alternative — multi-track timeline, GPU compositor, masks, and auto-captions, with no watermark or subscription gate on exports.
Drex 1.5· tool, 2026-10-10 Open-weight 9B decision model from Nace.AI that scores structured yes/no, multiple-choice, or rating questions over a given state instead of generating text — ranked #1 under 10B parameters on the public Decision Index 0.3.1 benchmark, runnable locally via llama.cpp/Ollama.
ML Drift· tool, 2026-10-10 Google's open-source (Apache-2.0), cross-platform GPU-accelerated inference engine for on-device machine learning, succeeding the GPU backend inside TensorFlow Lite/LiteRT — runs AI/ML workloads on mobile, web, and desktop GPUs via OpenCL, Metal, WebGPU, and OpenGL ES.
Onyx· tool, 2026-10-10 Open-source (MIT) knowledge and context layer that connects to 50+ applications to index and surface organizational knowledge for a team and its AI agents — hybrid search, agentic RAG, and custom agents, self-hostable with the Community Edition.
Alook· tool, 2026-10-09 Open-source collaboration layer where local coding agents (Claude Code, Codex, Cursor, OpenCode, Pi) get persistent identities and join Discord-style team rooms, addressable with an @-mention instead of a terminal copy-paste. Agents run on your own machine; Alook only connects them.
OpenSEO· tool, 2026-10-09 Self-hostable, open-source alternative to Semrush/Ahrefs (MIT): keyword research, rank tracking, backlinks, and site audits, with a first-class MCP + AI-skills surface. Bring your own DataForSEO key; no forced subscription. Docker/Cloudflare self-host, or a $10/month hosted plan.
Helpin· tool, 2026-10-08 Open-source alternative to Intercom, Fin, and Linear: support, project tracking, CRM, meetings, and docs in one self-hosted workspace, with AI agents that use customer history to answer questions, keep docs in sync, and turn bug reports into pull requests.
ADR (Agentic AI Detection and Response)· tool, 2026-10-07 ADR (Agentic AI Detection and Response) is Uber's open-source platform for securing the AI agents a team runs: Discovery inventories the AI apps, agents, runtimes, and MCP servers on an endpoint; a Sensor normalizes telemetry from Claude Code, Cursor, Codex, Copilot CLI, and DeepSeek Harness; and a dual-agent Detection layer triages suspicious sessions. Ships ADR-Bench (300+ tasks, 134 MCP servers, 17 attack techniques). Apache-2.0; self-hostable. Free. In production at Uber; MLSys 2026.
PhotoCraft· tool, 2026-10-06 PhotoCraft is an open-source, clean-room reimplementation of Adobe Photoshop in pure Rust, built to be driven by agents: every tool runs a command from one registry of 500+ commands, and the GUI, a headless CLI (photocraft-cli), a JSON control channel, and an MCP server all call the same commands, so anything you can click a script or an agent can do too. Dual MIT/Apache-2.0; self-hostable. Free. Published 2026-09-30; ~14.5k stars but brand new and unproven in production.