Privacy-First

Aider

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Open-source terminal pair programmer with git-native workflows

Aider (v0.86.1) is an open-source AI pair programming tool that runs in the terminal and keeps your workflow inside git. It can automatically create sensible commits, apply diff-based edits across multiple files, and map your repository to work on large projects. Aider works best with Claude 3.7 Sonnet, DeepSeek R1/V3, OpenAI GPT-4.1 and o3/o4-mini, and Gemini 2.5 Pro, while also supporting many other cloud and local models (via OpenRouter, Ollama, and direct API keys).

AutoGen

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Open-source multi-agent framework (Python/.NET) with AgentChat and Studio

AutoGen is Microsoft's open-source framework for building agentic applications with your own model API keys. The current stable release (python v0.7.5, Sep 30 2025) ships a layered architecture: Core for event-driven message passing across Python and .NET runtimes, AgentChat for common multi-agent patterns, Extensions for model/tool connectors (OpenAI and Azure OpenAI, Anthropic, Gemini via OpenAI-compatible endpoints, and local models via Ollama), plus AutoGen Studio for no-code multi-agent prototyping and AutoGen Bench for evaluation. It's MIT-licensed and maintained in the open on GitHub.

Claude Code

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Anthropic’s coding companion for terminal and desktop, powered by Claude Opus 4.5

Claude Code is Anthropic’s terminal-first coding experience available in Claude desktop/web and CLI. It uses Claude Opus 4.5 (and Sonnet 4.5 where applicable) to work across your local repositories with project context via CLAUDE.md, multi-file edits, code search, and permissioned command execution. Included with Claude Pro, Max, Team, and Enterprise plans; API usage is billed separately per model pricing.

Continue

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Open-source, model-agnostic AI coding assistant for VS Code and JetBrains

Continue is an open-source coding assistant that lets developers use their own models (OpenAI, Anthropic, local via Ollama/LM Studio) with custom prompts and workflows. It runs as a VS Code and JetBrains extension, supports chat and completions, and can be self-hosted or run fully local for privacy.

CrewAI

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MIT-licensed agents, crews, and flows framework with optional control plane

CrewAI is an MIT-licensed Python framework for multi-agent automations. The 1.6.1 release (Nov 29 2025) ships Crews for autonomous collaboration and Flows for event-driven orchestration with guardrails, memory, knowledge, and observability hooks. It runs with your own model/API keys (OpenAI/Azure OpenAI, Anthropic, OpenAI-compatible providers like Groq, or local via Ollama/LM Studio) and offers an optional Crew Control Plane for hosted/on-prem tracing, triggers, and RBAC.

DeepSeek Coder

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Open-source MoE coding model (V2) with 128K context

DeepSeek Coder V2 is an open Mixture-of-Experts coding model (16B Lite and 236B) with a 128K context window and support for 338 programming languages. Weights are published on Hugging Face for self-hosting; code is MIT-licensed and the model weights use the DeepSeek Model License. Hosted inference is available through the DeepSeek API using OpenAI-compatible endpoints.

LangChain & LangGraph

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LangChain for LLM apps; LangGraph for stateful graph agents

LangChain provides provider-agnostic LLM tooling, while LangGraph adds a graph-based runtime for controllable, stateful agents with human-in-the-loop, persistence, and streaming. Both are open source with Python/JS SDKs and a growing ecosystem of integrations and middleware.

LangChain

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Open-source framework for LLM apps with LangSmith observability

LangChain is an open-source framework for building LLM apps with composable chains, agents, tools, and RAG. It supports Python and TypeScript, integrates with major model providers and vector stores, and pairs with LangSmith for tracing, monitoring, and evals.

LangGraph

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Graph-based framework for controllable, stateful AI agents

LangGraph is an open-source framework in the LangChain ecosystem for building stateful, multi-step agents with controllable graphs (single, multi-agent, hierarchical flows). It supports human-in-the-loop interrupts, streaming, memory, and tool use, and can be deployed via LangGraph Platform or self-hosted OSS.

Pieces for Developers

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Local-first snippet manager with AI assist and cross-tool integrations

Pieces for Developers captures code snippets, screenshots, and workflow context locally, making them searchable and reusable with AI-assisted enrichment. It offers desktop apps plus IDE/browser integrations, with optional cloud LLMs and team features on paid plans.

StarCoder 2

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State-of-the-art open-access code LLM by BigCode

StarCoder 2 is an open-access code LLM family (3B/7B/15B) from BigCode (Hugging Face & ServiceNow), trained on The Stack v2. Weights are released under OpenRAIL-M for local or hosted inference.

Sweep AI

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Open-source GitHub app that plans fixes and opens pull requests

Sweep AI reads your repo, plans changes from GitHub issues, and opens pull requests for review. It focuses on maintenance, bug fixes, refactors, and small feature requests, with self-hosting via the open-source repo and paid cloud options available through the vendor.

Tabnine

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Agentic AI coding platform with private deployment and org-native context

Tabnine is an enterprise AI coding platform that delivers completions, chat, and workflow agents with strict privacy. It supports SaaS, VPC, on-prem, and air-gapped deployments, plugs into MCP tools (Git, tests, Jira, Confluence, databases), and can run customer-selected LLMs. Pricing is $59/user/month on annual contracts, with Tabnine-provided LLM usage billed at provider rates plus a 5% handling fee.

Vercel AI SDK

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Open-source TypeScript toolkit for streaming LLM apps with providers, tools, and generative UI

Vercel AI SDK (v6 beta) is a free, open-source toolkit for building streaming AI apps across Next.js, React, Vue/Nuxt, SvelteKit, and Node/Edge runtimes. It provides a unified provider API, tool calling, structured outputs (`generateObject`), server actions/RSC hooks, and generative UI helpers like `streamUI`, with adapters for OpenAI, Anthropic, Google, Mistral, Ollama, and more.