Lifecycle phase 3 of 13
Write code: AI tools
Generating and editing code.
45 tools list this as the main phase, and 13 more tools cover it. Each claim is the vendor's own words, and every fact on a tool's page links to its source.
Main phase
- AiderAider (open source)“AI pair programming in your terminal: maps your whole codebase and works with most LLMs, cloud or local.”
Amazon Q DeveloperAmazon Web Services“AI coding assistant that writes, debugs and refactors code natively in your IDE and across AWS.”
AmpAmp“A coding agent and development environment built for the frontier, running agents in cloud 'orbs' with several models.”AnythingAnything“Your AI agent for turning ideas into apps: build sites, apps, tools and products by describing what you want.”
Base44Wix“No-code AI development platform that turns ideas into fully functional apps and websites.”BoltStackBlitz“AI builder for websites, apps and prototypes: build and scale using your words.”
Charlie (Daemons)Charlie Labs“Daemons: always-on AI processes, defined in Markdown, that work proactively across Slack, Linear and GitHub with no prompts.”
Claude CodeAnthropic“Anthropic's agentic coding tool: understands your codebase, edits files, runs commands and turns issues into pull requests.”ClineCline“Open-source AI coding agent with Plan/Act modes, MCP integration and terminal-first workflows, using any model or endpoint.”
CodegenClickUp“Autonomous code agents that ClickUp acquired to power its Super Agents; codegen.com is now a directory of AI coding tools.”
CodexOpenAI“OpenAI's coding agent: runs locally in the terminal, in the editor (VS Code, Cursor, Windsurf) and in the cloud through ChatGPT.”
ContinueContinue (Cursor)“Open-source AI code assistant for VS Code and JetBrains; the company has been acquired by Cursor.”CosineCosine“The sovereign AI lab: trains models and specialised coding agents for organisations that need frontier capability inside secure environments.”
CursorAnysphere (SpaceX)“AI coding agent for building ambitious software: agents turn ideas into code across desktop, CLI and cloud.”
DevinCognition“Devin, the first autonomous software engineer, plans, writes, tests and ships production code inside your existing workflows.”
EllipsisEllipsis“Managed Claude Code agents in the cloud: define agents as config files in your repo and Ellipsis runs them to build features, fix bugs and investigate.”
EmergentEmergent“Vibe-code production-ready web and mobile apps in minutes with AI agents.”Factory (Droids)Factory“Factory Droids automate coding, testing and deployment for startups and enterprises; also ships code review and a living AutoWiki per repository.”
Firebase StudioGoogle“Web-based workspace for full-stack development with AI agents and Gemini: build backends, front ends and mobile apps in one place.”
Gemini CLIGoogle“Open-source AI agent that brings Gemini into the terminal; for unpaid and Google One users it was replaced by Antigravity CLI on 18 June 2026.”
Gemini Code AssistGoogle Cloud“AI coding help for teams and businesses from Google, with VPC Service Controls and IAM for enterprise adoption.”GitHub CopilotGitHub (Microsoft)“Your AI coding agent, every step of the way from an open issue to reviewing and merging a pull request, in the editor, terminal or github.com.”
Google AntigravityGoogle“The next-generation agent platform: an agent-first IDE and CLI built on Gemini; replaced Gemini CLI for unpaid users on 18 June 2026.”
gooseAgentic AI Foundation (Linux Foundation), from Block“Open-source, extensible AI agent with a desktop app, CLI and API; part of the Agentic AI Foundation at the Linux Foundation.”
JetBrains AirJetBrains“One system for building software with agents; works with the agents you already use and any ACP-compatible agent.”JulesGoogle“An autonomous coding agent that clones your repository to a cloud VM, plans with Gemini and does the tasks you would rather not.”
JunieJetBrains“JetBrains' AI coding agent, run from the IDE or the terminal with any model you choose.”
Kilo CodeKilo“Open-source AI coding agent for VS Code, JetBrains, CLI and cloud, with 500+ models at zero markup, your own keys or local models.”
LovableLovable“Build apps and websites by chatting with AI; plans run on build credits plus Cloud credits for the app's backend.”Mistral VibeMistral AI“Agentic coding that understands your entire codebase: build, test and modernize autonomously from terminal or IDE.”
Ona (formerly Gitpod)Ona“Run a team of AI software engineers in the cloud, orchestrated, governed and secured at the kernel, inside your VPC.”
OpenCodeAnomaly (SST)“The open-source AI coding agent, free to use with any provider: OpenAI, Anthropic, xAI or local models.”OpenHandsAll Hands AI“Open-source AI coding agent platform: start locally, automate engineering workflows, use any model and scale in the cloud or your VPC.”
Refact.aiRefact.ai“AI agent for coding that automates coding, debugging and testing with full context; open source and self-hostable.”
Replit AgentReplit“AI app and website builder: describe what you want and Replit builds it, a working app or website in minutes, no coding required.”
Roomote (formerly Roo Code)Roo Code“Roomote, a cloud coding agent that ships reviewable PRs, hosted or self-hosted; the Roo Code VS Code extension shut down on 15 May 2026.”
Rovo DevAtlassian“Atlassian's AI coding agent for software teams: plan, generate and review code from Jira, the CLI and Bitbucket; folding into Jira subscriptions.”
TabbyTabbyML“Open-source, self-hosted AI coding assistant, including air-gapped deployment.”- TabnineTricentis“One of the earliest AI coding assistants, now part of Tricentis's Agentic Quality Engineering Platform.”
TemboTembo“Run any coding agent in the cloud: give every change its own computer, follow agent work, review results and see what merges.”
TRAETRAE“TraeCode, 'your 10x AI coding engineer', integrates into your workflow and collaborates to raise performance.”
v0Vercel“Collaborative AI assistant to design, iterate and scale full-stack web applications, deployed to Vercel in one click.”
WarpWarp“Open infrastructure for cloud software factories: factories as code, any model or agent harness, with evals and benchmarks built in.”- WindsurfCognition“The first AI-native IDE that keeps developers in flow; now the base of Cognition's Devin Desktop.”
ZedZed Industries“A high-performance, multiplayer code editor from the creators of Atom and Tree-sitter, with hosted AI and external agents.”
Also covers this phase
Tools whose main phase is another one.
8090 Software Factory8090“The AI-native software development platform that keeps business leaders in the driver's seat, from spec to deploy.”AnimaAnima“The design-aware AI agent: from Figma files, URLs or prompts it generates production-ready apps.”
Augment Code (Cosmos)Augment Code; Cosmos, Auggie and the Context Engine now owned by Harness“Agentic software development at organisational scale: Cosmos runs an always-on software factory on a code Context Engine.”
BMAD-METHODBMad Code“Breakthrough Method for Agile AI-Driven Development: open-source skills that bring planning and architecture into an agent's delivery workflow.”
Builder.io (Fusion)Builder.io“One codebase for engineers, designers, PMs and marketers, who build together with AI agents on real production code.”Figma MakeFigma“Turn ideas into working prototypes and apps with AI, starting from design context and a prompt, then editing on the canvas.”
GitLab Duo Agent PlatformGitLab“Custom AI workflow automation across the software lifecycle: specialised agents for planning, coding, security and deployment.”
IBM Bob (formerly watsonx Code Assistant)IBM“IBM Bob, an AI coding agent that accelerates delivery and application modernization across complex enterprise codebases.”
KiroAmazon Web Services“Turn prompts into executable specs, validate code correctness and build across large codebases with parallel agents.”
Locofy.aiLocofy.ai“Converts Figma and Penpot designs into developer-friendly code for React, React Native, Flutter, Vue, Angular, Next.js and more.”
PotpiePotpie“AI-native SDLC automation: maps how your systems work into a living context graph and runs agents on it inside your VPC.”TesslTessl“Agent enablement platform: gives coding agents structured, versioned context, with a registry of skills and evals of model and agent harness combinations.”
Tricentis (Tosca, Testim, agents)Tricentis“AI-powered automated testing: quality and testing agents for large enterprises, run through a central control plane; owns Testim and Tabnine.”