AI coding & dev

Terminal AI pair programmer — free with local/API models.

Open git-aware coding agent in the terminal. Free with Ollama or free-tier APIs.

Free Copilot-style autocomplete; 70+ languages, many IDEs.

Free for individuals with generous limits. Practical uses: Free Copilot-style autocomplete; 70+ languages, many IDEs.

Open-source Copilot alternative; local and cloud LLMs.

Completely free OSS; you bring model keys or local models. Practical uses: Open-source Copilot alternative; local and cloud LLMs.

Free LLM-friendly web crawler for research treasure hunts.

Open crawler optimized for RAG/LLM extraction. Unlimited self-host research helper.

Open LLM app builder / agent workflows — self-host free.

Visual RAG + agent studio. Self-host unlimited apps; free tier cloud also available.

Drag-drop LangChain agents — free self-host.

Low-code LLM flow builder. Unlimited when self-hosted.

Prototype Gemini models: prompts, images, speech experiments.

Free web tool with Google account rate limits. Practical uses: Prototype Gemini models: prompts, images, speech experiments.

Experimental Google AI apps (creative/productivity experiments).

Mostly free experiments; features rotate over time. Practical uses: Experimental Google AI apps (creative/productivity experiments).

Visual LangChain/LangGraph builder — free open.

Open visual IDE for agents and RAG. Self-host free for complex orchestrations.

Open scripts/flows platform — free self-host automations.

Internal tools + workflows with Python/TS. Strong free Temporal-lite class for agent jobs.

Free coding chat tier.

Blackbox AI Free is a free / free-tier consumer tool (https://www.blackbox.ai). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free coding chat tier. Best for everyday creators on tools.addict.best free-first path.

Free browser full-stack AI builder tier.

Bolt.new Free is a free / free-tier consumer tool (https://bolt.new). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free browser full-stack AI builder tier. Best for everyday creators on tools.addict.best free-first path.

Free offline API client.

Bruno is a free / free-tier consumer tool (https://www.usebruno.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free offline API client. Best for everyday creators on tools.addict.best free-first path.

Free code screenshots.

Carbon is a free / free-tier consumer tool (https://carbon.now.sh). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free code screenshots. Best for everyday creators on tools.addict.best free-first path.

Free pages + workers tier.

Cloudflare Pages is a free / free-tier consumer tool (https://pages.cloudflare.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free pages + workers tier. Best for everyday creators on tools.addict.best free-first path.

Free online sandbox.

CodeSandbox Free is a free / free-tier consumer tool (https://codesandbox.io). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free online sandbox. Best for everyday creators on tools.addict.best free-first path.

Auto-generate unit tests from your code.

CodiumAI / Qodo is a AI coding/dev tools tool (https://www.codium.ai). Generous free tier with limits; upgrade only if you outgrow free. Best used as part of a free-first stack: research → create → edit → publish.

AI-first code editor: NL edit, multi-file refactor.

Free/hobby tier with slow requests; paid for fast quota. Practical uses: AI-first code editor: NL edit, multi-file refactor.

Subscribe/extend Devin AI software engineer via CLI extensibility for automated coding workflows.

Official Devin docs for CLI extensibility and system subscription integration. Paid agentic coding product — use for multi-step engineering tasks, not free hobby use.

Free dev search AI.

Devv AI is a free / free-tier consumer tool (https://devv.ai). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free dev search AI. Best for everyday creators on tools.addict.best free-first path.

Agentic IDE: plans tasks, writes code, installs, tests.

Free public preview with strong models — verify availability. Practical uses: Agentic IDE: plans tasks, writes code, installs, tests.

Free browser API client.

Hoppscotch is a free / free-tier consumer tool (https://hoppscotch.io). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free browser API client. Best for everyday creators on tools.addict.best free-first path.

Free API client.

Insomnia Free is a free / free-tier consumer tool (https://insomnia.rest). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free API client. Best for everyday creators on tools.addict.best free-first path.

Describe apps → frontend/backend/routing/DB scaffolding.

Free plan available; paid for higher generation limits. Practical uses: Describe apps → frontend/backend/routing/DB scaffolding.

Refactor legacy code, docs generation, optimize functions.

Mutable AI is a AI coding/dev tools tool (https://mutable.ai). Generous free tier with limits; upgrade only if you outgrow free. Best used as part of a free-first stack: research → create → edit → publish.

Free static hosting.

Netlify Free is a free / free-tier consumer tool (https://www.netlify.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free static hosting. Best for everyday creators on tools.addict.best free-first path.

Free AI search for developers.

Phind Free is a free / free-tier consumer tool (https://www.phind.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free AI search for developers. Best for everyday creators on tools.addict.best free-first path.

Free API workspace tier.

Postman Free is a free / free-tier consumer tool (https://www.postman.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free API workspace tier. Best for everyday creators on tools.addict.best free-first path.

Free pretty code images.

Ray.so is a free / free-tier consumer tool (https://ray.so). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free pretty code images. Best for everyday creators on tools.addict.best free-first path.

Browser IDE, AI scaffolding, live preview, deploy.

Free tier with AI features and compute limits. Practical uses: Browser IDE, AI scaffolding, live preview, deploy.

Free instant web IDE.

StackBlitz Free is a free / free-tier consumer tool (https://stackblitz.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free instant web IDE. Best for everyday creators on tools.addict.best free-first path.

Free backend DB/auth tier.

Supabase Free is a free / free-tier consumer tool (https://supabase.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free backend DB/auth tier. Best for everyday creators on tools.addict.best free-first path.

Best-in-class durable agent workflow engine for long-running orchestrations.

Durable execution platform for long-running agent/workflow orchestrations. Survives process crashes; retries with state. Site + docs + GitHub. Ideal spine for multi-step media/social agent pipelines when you outgrow cron+shell.

Prototype polished web UIs from prompts (Vercel).

v0 by Vercel is a AI coding/dev tools tool (https://v0.dev). Generous free tier with limits; upgrade only if you outgrow free. Best used as part of a free-first stack: research → create → edit → publish.

Free AI IDE tier (Codeium).

Windsurf Free is a free / free-tier consumer tool (https://windsurf.com). Mild–moderate resources: works in browser or light app — no local GPU farm. Practical use: Free AI IDE tier (Codeium). Best for everyday creators on tools.addict.best free-first path.