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AI Coding & Developer Tools

Bolt.new (StackBlitz) alternatives.
8 tools doing the same job.

Considering switching from Bolt.new (StackBlitz)? Here are the 8 best ai coding & developer tools alternatives we track — sorted by StackMatch Editorial verdict and third-party rating depth. No affiliate spin.

Our verdict on Bolt.new (StackBlitz):Evaluateread full →
#1CursorBuy· starter4.7 · 412 reviews

AI-first code editor — understands your entire codebase, writes and debugs alongside you.

The default AI IDE, for better and worse
Cursor has become the de facto AI-native editor for a reason: Tab completion and Composer genuinely change how engineers work. The pricing is defensible, but the VS Code fork creates real lock-in risk.
View CursorCompare Bolt.new (StackBlitz) vs Cursor
#2CodeRabbitBuy· professional

AI code reviewer for GitHub PRs — line-by-line comments, security checks, and architectural suggestions.

The default AI code reviewer — and a real one
CodeRabbit posts useful inline review comments on every PR, catches real security and dependency issues, and integrates cleanly with GitHub/GitLab/Bitbucket. The 10K+ team install base is earned.
View CodeRabbitCompare Bolt.new (StackBlitz) vs CodeRabbit
#3Gemini Code AssistCautious-Buy· free

Google's AI coding assistant — Copilot competitor with deep Google Cloud integration and a generous free tier.

Free Copilot — and a serious one for Google Cloud teams
The 180K-completion-per-month free individual tier is the most generous in the category. For Google Cloud / BigQuery / Firebase teams, the integration depth justifies the paid tier; for everyone else, "free" is the main reason to try.
View Gemini Code AssistCompare Bolt.new (StackBlitz) vs Gemini Code Assist
#4mablCautious-Buy· professional

AI-powered low-code test automation — visual UI testing with self-healing scripts and intelligent insights.

Low-code AI test automation for QA-led organizations
mabl is the leader in low-code UI test automation with self-healing locators. Real value for QA teams in mid-large enterprises; engineering-led teams typically prefer Playwright/Cypress.
View mablCompare Bolt.new (StackBlitz) vs mabl
#5LovableCautious-Buy· starter

AI-native full-stack app builder — describe what you want, get a working React + Supabase app in one prompt.

The vibe-coding king — until you need to ship something complex
Lovable is the fastest way to get a deployed full-stack React + Supabase app from a prompt. The $100M ARR and $1.8B valuation are real. The cap is real too: AI-generated greenfield apps don't hold up well under feature pressure or non-trivial backend logic.
View LovableCompare Bolt.new (StackBlitz) vs Lovable
#6v0 (Vercel)Cautious-Buy· starter

Vercel's generative UI tool — prompt-to-React-component with shadcn/ui and Tailwind output.

Vercel's frontend generator has grown up
v0 has evolved from a prompt-to-component demo to a real frontend scaffolding tool tightly integrated with Vercel and shadcn/ui. It's excellent for prototyping; less useful if you're not already on the Vercel stack.
View v0 (Vercel)Compare Bolt.new (StackBlitz) vs v0 (Vercel)
#7GreptileCautious-Buy· professional

AI code review with full-codebase context — finds architectural and cross-file bugs CodeRabbit misses.

AI code review with senior-engineer judgment
Greptile reads your whole codebase before reviewing each PR, so it catches the cross-file and architectural issues CodeRabbit misses. Smaller, more expensive, and more loved by senior engineering teams.
View GreptileCompare Bolt.new (StackBlitz) vs Greptile
#8WindsurfEvaluate· free4.7 · 62 reviews

Agentic AI IDE — takes multi-step actions autonomously to write, debug, and ship code.

Cursor's closest competitor, one lap behind
Windsurf (Codeium's IDE) is the serious alternative to Cursor, with real advantages on Cascade agent workflows. But the broader ecosystem and ship velocity keep it in Cursor's shadow.
View WindsurfCompare Bolt.new (StackBlitz) vs Windsurf

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