Best AI Developer Tools
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Agens Volundr 32B Preview
Agens Volundr 32B Preview is an open-source AI large language model with a 262K context for self-hosted coding and long agent runs.Free plan
Bisa
Bisa is a free, open-source AI developer tool: a local-first agentic IDE where 32 coding agents and pre-built teams build software on your machine.Free planBenzi
Benzi is an AI code query agent and developer tool that compiles your codebase into a queryable index to trace symbols, data flow, and call chains.Free plan
Axeazy
Axeazy is an AI web accessibility tool that scans for WCAG 2.2 AA violations and fixes them right in your source code via pull requests, not overlays.Free plan
ApiHub
ApiHub is an AI developer tool and model gateway: one API key for many leading AI models, with request routing and cost tracking in one place.Free plan
API Playground
API Playground is a free browser-based API testing tool for sending HTTP requests, debugging webhooks, and testing AI endpoints with no signup.Free plan
Agentty
Agentty is a free, open-source AI developer tool: a native terminal to run and monitor multiple AI coding agents like Claude Code and Codex at once.Free plan
AgentDay
AgentDay is an AI developer tool that wraps your day of coding into a shareable, receipt-style summary pulled from Claude Code, Codex, and Git.Free plan
Agent Commerce Gateway
Agent Commerce Gateway is an open-source API monetization layer that lets AI agents discover and pay for your API capabilities via MCP and HTTP.
Agent Activity
Agent Activity is a macOS Xcode AI agent monitoring tool that shows live agent builds, grouped compiler errors, and test runs in one window.From $9.99/mo
promptring
promptring is an open-source desktop notification tool that alerts you when your GitHub Copilot CLI agent finishes, needs input, or hits a blocker.Free planModel Boss
Model Boss is a cross-model AI coding orchestrator that delegates bounded coding tasks to cheap workers while a stronger model approves the results.Free plan