Cursor
AI IDEs & Editors
- AI-first VS Code fork with agent mode
- Multi-file edits and terminal commands
- Codebase-wide context and rules
- Free tier with limited requests
Code & Development (69)
All 69 code & development tools in the Flocci catalog, 62 of them free or freemium. Pricing tier and real capabilities on every entry — no ads, no sponsored placement.
AllAI IDEs & EditorsTerminal & CLI AgentsCode Autocomplete & AssistantsApp Builders & Vibe CodingAutonomous Coding AgentsAI Code ReviewAI Docs & Codebase Q&AAI Testing & QAAI DevOps & SREAI Database & SQL CopilotsVector Databases & RAG InfraAI Game Development
freemium
Google Antigravity
AI IDEs & Editors
- Google's agent-first IDE
- Powered by Gemini 3 models
- Autonomous multi-step coding
- Free access tier
Windsurf
AI IDEs & Editors
- Agentic IDE with the Cascade flow
- Now part of Cognition (Devin)
- Deep whole-repo awareness
- Free tier available
Zed
AI IDEs & Editors
- Blazing-fast, Rust-built editor
- Agentic editing and prediction
- Real-time collaboration
- Free and open-source core
Kiro
AI IDEs & Editors
- AWS's spec-driven agentic IDE
- Turns requirements into plans and code
- Hooks and steering files
- Free tier
Trae
AI IDEs & Editors
- ByteDance's free AI IDE
- SOLO agent builder mode
- Access to frontier models
- Generous free usage
JetBrains Junie
AI IDEs & Editors
- Autonomous coding agent embedded in JetBrains IDEs (IntelliJ, PyCharm, WebStorm)
- Plans and executes multi-step coding tasks in-IDE
- Deep integration with JetBrains code intelligence/refactoring
Void
AI IDEs & Editors
- Fully open-source VS Code fork alternative to Cursor/Windsurf
- Bring-your-own-key to any model, no proprietary backend routing
- Agent Mode, Gather Mode and inline chat built in
Augment Code
AI IDEs & Editors
- Context Engine built for very large enterprise codebases
- Team-pooled usage pricing rather than per-seat
- CLI, IDE plugin and native tool integrations with SOC2/ISO42001 compliance
Qoder
AI IDEs & Editors
- Multi-agent collaboration IDE from Alibaba
- Handles codebases up to 100,000 files with long-running agents (up to 26h)
- Auto-generates repo wikis (400,000+ generated)
Claude Code
Terminal & CLI Agents
- Terminal-native agent, best on large codebases
- Top reasoning quality (Opus-class)
- MCP tools, subagents and hooks
- Included with Claude paid plans
OpenAI Codex CLI
Terminal & CLI Agents
- #1 on Terminal-Bench with GPT-5-series
- Runs in terminal, IDE or the cloud
- Sandboxed autonomous edits
- Included with ChatGPT plans
Gemini CLI
Terminal & CLI Agents
- Open-source terminal agent from Google
- Huge free daily model quota
- Built-in tools and MCP support
- Great value for everyday coding
Aider
Terminal & CLI Agents
- Open-source AI pair programmer in your terminal
- Git-aware commits and edits
- Works with any model (bring your key)
- Free to use
Cline
Terminal & CLI Agents
- Open-source autonomous coding agent for VS Code
- Plan/Act modes with approvals
- Bring your own API key or model
- MCP tool support
OpenCode
Terminal & CLI Agents
- Fully open-source terminal/IDE/desktop coding agent, MIT licensed
- Bring-your-own model across 75+ providers, free models included
- Parallel agent sessions with shareable session links
Crush
Terminal & CLI Agents
- Terminal coding agent from Charm with LSP-aware context
- Cross-platform incl. Android/BSD, MCP server support over HTTP/stdio/SSE
- Agent Skills standard support for extensibility
Goose
Terminal & CLI Agents
- Open-source agent (now under Agentic AI Foundation/Linux Foundation) usable as CLI, desktop app or API
- 70+ MCP extensions, 15+ LLM providers supported
- Apache-2.0 licensed, built in Rust
Qwen Code
Terminal & CLI Agents
- Open-source terminal CLI adapted from Gemini CLI, tuned for Qwen3-Coder models
- OpenAI-SDK compatible for flexible model backends
- Free npm install, agentic coding workflows
Amp
Terminal & CLI Agents
- Multi-model routing across frontier models with no artificial usage caps
- Four agent reasoning modes (low/medium/high/ultra) plus parallel subagents
- Remote 'Orbs' execution machines and an Oracle deep-reasoning tool
Warp
Terminal & CLI Agents
- Terminal rebuilt as an agentic development environment for any coding agent
- Multi-agent orchestration with model routing and codebase indexing
- Oz cloud agent platform for moving from local to cloud execution
GitHub Copilot CLI
Terminal & CLI Agents
- GitHub-native terminal agent that works directly with issues and PRs
- /fleet command runs parallel subagents; /remote syncs sessions to VS Code and mobile
- Included in all Copilot tiers incl. the free plan
Kilo Code
Terminal & CLI Agents
- Same open-source agent usable in VS Code, JetBrains, CLI and cloud from one account
- Models billed at cost with no markup, bring-your-own-key supported
- MIT-licensed with fully visible prompts and context windows
GitHub Copilot
Code Autocomplete & Assistants
- The most widely used AI pair programmer
- Free tier: 2,000 completions & chats/month
- Agent mode and multi-model choice
- Works across all major IDEs
Amazon Q Developer
Code Autocomplete & Assistants
- AWS-savvy coding assistant and agents
- Security scanning and code transforms
- Feature development from issues
- Free tier available
Tabnine
Code Autocomplete & Assistants
- Privacy-first completions (can run air-gapped)
- Personalized to your code
- Model choice and controls
- Free Basic plan
Sourcegraph Cody
Code Autocomplete & Assistants
- Deep whole-codebase context
- Chat, autocomplete and fixes
- Great for large/legacy repos
- Free tier
Supermaven
Code Autocomplete & Assistants
- Extremely fast completions
- 1M-token context window
- Low-latency, high-acceptance suggestions
- Free plan available
Lovable
App Builders & Vibe Coding
- Prompt to full-stack app with clean React
- Built-in Supabase and GitHub sync
- Best all-round for SaaS MVPs
- Free daily messages
Bolt.new
App Builders & Vibe Coding
- Prompt to a live full-stack app in the browser
- Most framework flexibility
- One-click hosting and deploy
- Free daily tokens
v0 (Vercel)
App Builders & Vibe Coding
- Beautiful Next.js apps and UI from prompts
- Built-in databases and deploy to Vercel
- Great component generation
- Free monthly credits
Replit Agent
App Builders & Vibe Coding
- Most autonomous end-to-end app builder
- Real-browser testing and 30+ integrations
- Cloud IDE, hosting and databases
- Free Starter plan
Base44
App Builders & Vibe Coding
- Zero-config: DB, auth and hosting handled
- Fastest path for non-technical founders
- All-in-one build-and-ship
- Free tier to start
Firebase Studio
App Builders & Vibe Coding
- Google's agentic full-stack app workspace
- Gemini-powered app prototyping
- Deploy on Firebase instantly
- Generous free workspaces
Chef (Convex)
App Builders & Vibe Coding
- AI app builder that generates a real transactional backend (Convex), not just a frontend
- Free tier plus a low-cost hosted plan, with credits earned via milestones
- Can run locally or in-browser, backend gets realtime subscriptions by default
Anything (Create.xyz)
App Builders & Vibe Coding
- Builds mobile apps, sites and tools from natural language with 40+ integrations
- Automated visual QA testing via computer-use agents on higher tiers
- Free plan plus credit-based Pro/Max tiers with code export
Rork
App Builders & Vibe Coding
- Purpose-built for native iOS/mobile app creation via chat, not just web apps
- In-app iOS build/install/publish workflow plus auto-generated App Store screenshots
- Direct App Store shipping and monetization path for indie builders
a0.dev
App Builders & Vibe Coding
- Real-time AI agent that writes/edits a mobile app as you describe it
- One-click publishing handles App Store Connect listing and upload
- Built-in Convex/Supabase backend plus payments and analytics dashboard
Tempo
App Builders & Vibe Coding
- Positions as an 'AI software factory' aimed at product teams, not solo hobbyists
- Generates production React apps from natural language specs
- Team workflow features for PM/design/eng collaboration on generated apps
Emergent
App Builders & Vibe Coding
- Conversational agents design, code AND deploy an app end-to-end in one flow
- 1M-token context on Pro+ tiers for large app generation
- Free tier with 10 monthly credits, no credit card required
Dyad
App Builders & Vibe Coding
- Fully open-source, runs locally on your machine with offline capability
- 21k+ GitHub stars, zero vendor lock-in with clean exportable code
- Built-in security scanning for SQL injection/XSS in generated apps
Onlook
App Builders & Vibe Coding
- Visual drag-and-drop editor that writes directly into a real React/Next.js codebase
- Open-source self-hosted version (25.8k GitHub stars) plus hosted cloud tier
- Bridges design and dev with code as the source of truth, not a design-tool export
Subframe
App Builders & Vibe Coding
- AI-native visual design tool where every layer maps to production Tailwind/Radix code
- CLI sync tool pulls generated components straight into a codebase
- Free tier (1 project, 10 pages) with no AI training on user designs
Devin
Autonomous Coding Agents
- Most autonomous cloud coding agent
- Own IDE, browser, terminal and shell
- Plans, writes, tests and opens PRs
- Now includes Windsurf's team
Google Jules
Autonomous Coding Agents
- Async coding agent that fixes issues & PRs
- Runs in a cloud VM on your repo
- Powered by Gemini
- Free daily tasks
Factory
Autonomous Coding Agents
- Enterprise 'Droids' across the whole SDLC
- Delegate coding, review and migration
- Terminal and cloud execution
- Team and enterprise focus
OpenHands
Autonomous Coding Agents
- Self-hosted control center for coding agents with GUI, CLI and SDK surfaces
- Enterprise deployment controls over models, data access and auditability
- MIT licensed, 83.9k GitHub stars, very active commit history
Codegen
Autonomous Coding Agents
- Infrastructure layer for deploying, orchestrating and governing many coding agents at scale
- Agents embed inside tools like ClickUp with full task/spec business context, not just code diffs
- Free tier with limited tokens plus a paid Pro tier for teams
CodeRabbit
AI Code Review
- Agentic AI reviews on PRs and CLI with automated one-click fix suggestions
- Multi-repo analysis, SAST/linter integration, and MCP connections
- Usage-based Slack review agent priced per agent-minute
Greptile
AI Code Review
- Free Starter tier with unlimited repositories for individual developers
- Credit-based review pricing (1 credit = 1 standard review)
- Deep codebase-context reviews (TREX) beyond diff-only analysis
Graphite Diamond
AI Code Review
- AI reviewer built into Graphite's stacked-PR workflow, not a bolt-on bot
- Trained on merge-queue and review-history signal specific to fast-moving teams
- Pairs with Graphite's PR stacking/merge-queue tooling for high-velocity teams
Qodo
AI Code Review
- Context-aware agentic review across IDE, PR, CLI and Git workflows in one platform
- Credit-pooled team pricing instead of rigid per-seat licensing
- Originated as CodiumAI test-generation tool, now spans review + test generation
Cubic
AI Code Review
- Free Starter tier (20 PR reviews/month) plus fully free usage for open-source projects
- Runs thousands of background agents nightly to scan the whole codebase, not just diffs
- Learns team standards from senior devs' past review comments
Mintlify
AI Docs & Codebase Q&A
- Docs platform built for both human readers and AI agent consumption
- Self-updating knowledge base with 2B+ agent interactions/year at scale
- Powers docs for 25% of the latest YC batch and 40% of the Forbes AI 50
DeepWiki
AI Docs & Codebase Q&A
- Auto-generates conversational, up-to-date wikis for any public GitHub repo
- Built by Cognition (Devin) — ask natural-language questions about a codebase's architecture
- Free to browse/query indexed repos, integrates with Devin for private repo indexing
Context7
AI Docs & Codebase Q&A
- MCP server that injects current, version-accurate library docs straight into AI coding agents' context
- Solves the stale-training-data problem for framework/API docs in Cursor/Claude Code/Windsurf
- Built by Upstash, free public usage with paid enterprise tier
Momentic
AI Testing & QA
- Tests authored in plain English/YAML, no framework or selector maintenance needed
- Self-healing tests with 8.9M+ auto-heals logged, distinguishes UI change from real regression
- Runs web, iOS and Android tests in CI/CD with 96% signal-to-noise root cause analysis
QA Wolf
AI Testing & QA
- Hybrid platform-plus-service model: pay-as-you-go AI credits or full 'Coverage as a Service'
- Mapping AI autonomously outlines an app's flows in minutes to seed test coverage
- Generates and exports real open-source Playwright/Appium tests, no vendor lock-in
Cleric
AI DevOps & SRE
- Autonomous SRE agent investigates production alerts and delivers root cause analysis in ~5 minutes
- Read-only-by-default with gradual write access and full audit logging for safety
- Builds cross-team 'operational memory' from past incident resolutions
incident.io AI
AI DevOps & SRE
- Nexus model reasons across telemetry, deployments, code and incident history simultaneously
- Adversarial agents challenge their own root-cause hypothesis before surfacing it to responders
- AI on-call intelligence filters alert noise and optimizes rotations to reduce burnout
Vanna AI
AI Database & SQL Copilots
- Fully open-source text-to-SQL agent, self-hostable with no vendor lock-in
- Multi-turn conversational querying across Postgres, Snowflake, BigQuery, MySQL, SQLite and more
- Agent memory (hosted vector DB) that improves query accuracy over time
Wren AI
AI Database & SQL Copilots
- Open-core 'context engine' (public on GitHub) converts natural language to governed SQL across 20+ sources
- Row/column-level security enforced at query time for agentic BI use
- One-prompt GenBI dashboard creation plus MCP embedding for product integration
Outerbase
AI Database & SQL Copilots
- AI-powered database GUI with natural-language 'EZQL' querying and auto chart generation
- Spreadsheet-style table editor plus self-serve AI dashboards across 10+ database engines
- Private AI models that don't train on customer data; recently joined Cloudflare
Qdrant
Vector Databases & RAG Infra
- Open-source Rust-based vector database, self-hostable for free with no scale limit
- Managed free tier cluster (0.5 vCPU/1GB RAM/4GB disk) for prototyping RAG apps with no card required for OSS use
- Hybrid Cloud option to run managed clusters on your own infrastructure for compliance-sensitive RAG
Weaviate
Vector Databases & RAG Infra
- Free managed cloud plan (100k objects, 1GB memory, 10GB disk) to explore without self-hosting
- Open-source core project can be self-hosted for free indefinitely, same engine as the managed cloud
- Built-in hybrid (vector + keyword) search and native embedding/query-agent integrations
Chroma
Vector Databases & RAG Infra
- Fully open-source embedded/self-hosted vector store, the default choice bundled into countless RAG tutorials and frameworks
- Chroma Cloud managed tier starts with free usage credits, no subscription
- Simple Python/JS-native API designed to be the easiest on-ramp to RAG for developers
Rosebud AI
AI Game Development
- Natural-language-to-playable-game engine (2D/3D) generating JS/Three.js/React code, playable directly in browser
- 2.3M+ community-created games hosted on the platform
- Built-in AI generator for sprites/textures alongside code generation
Inworld AI
AI Game Development
- Character Engine SDK powering AI NPCs shipped in real titles from Krafton, Sony and Ubisoft (Neo NPC, GDC-demoed)
- Multimodal NPCs with dialogue, gesture and action generation, not text-only chat
- Partnerships with NVIDIA ACE, Xbox and Comcast NBCUniversal LIFT Labs
Convai
AI Game Development
- Mature Unity and Unreal Engine plugins for embodied conversational NPCs (sight, hearing, dialogue, gesture)
- NVIDIA Inception startup collaborating on NVIDIA ACE for Games
- Live in shipped experiences including Second Life and Stormgate
Code & Development — straight answers
What code & development tools does Flocci list?
Flocci AI Tools lists 69 code & development tools, ordered free tiers first: Aider, Cline, Crush, DeepWiki and Gemini CLI. 62 of the 69 are free or have a free tier. Every entry states what it uniquely does, not a score.
Which code & development tools are completely free?
Yes — 11 of these are marked fully free with no paid plan attached: Aider, Cline, Crush, DeepWiki and Gemini CLI. The rest are freemium, trial or paid, and each row states which.
How is Code & Development organised?
Into 12 sub-categories — AI IDEs & Editors, Terminal & CLI Agents, Code Autocomplete & Assistants, App Builders & Vibe Coding, Autonomous Coding Agents, AI Code Review, AI Docs & Codebase Q&A, AI Testing & QA, AI DevOps & SRE, AI Database & SQL Copilots, Vector Databases & RAG Infra, AI Game Development — holding 69 tools between them. Each sub-category has its own page with the same pricing labels and capability lists.