ast-grep

What it does

ast-grep(sg) is a fast and polyglot tool for code searching, linting, and rewriting at large scale. Think it as a hybrid of grep, eslint, and codemod. But for all programming languages with super fast running speed!

ast-grep is a fast and polyglot tool for code structural search, lint, rewriting at large scale.

ast-grep(sg) is a fast and polyglot tool for code structural search, lint, rewriting at large scale. ast-grep is a code tool for structural search and replace . It is like syntax-aware grep/sed! You can write code patterns to locate and modify code, based on AST, in thousands of files, interactively . ast-grep is a versatile and flexible tool for linting code with AST patterns. You can easily add new customized rules with intuitive syntax and enjoy pretty error reporting out of box. ast-grep also provides node-js binding to access syntax trees programmatically. You can use jQuery like utility methods to traverse syntax tree nodes. Node API also has opt-in type safety . Blazing fast search…from ast-grep.github.io

• AG
  AST-grep, a grep/eslint/codemod hybrid tool, powered by tree-sitter.2023 · ast-grep.github.io · ▲11

  It is heavily inspired by semgrep, but intends to be an AST-base searcher/linter/rewriter. https://github.com/ast-grep/ast-grep

• 
  Grep by Vercel2025 · grep.app · ▲438

  Code search made fast

• SC
  Search code in GitHub repos using regular expressions2020 · grep.app · ▲614
• 
  Semantic Grep – A Word2Vec-powered search tool2024 · github.com · ▲356

  Much improved new version. Search for words similar to the query. For example, "death" will find "death", "dying", "dead", "killing"... Incredibly useful for exploring large text datasets where exact matches are too restrictive.

• 
  Structural code grep across public GitHub repositoriesAug 2026 · grep.codemod.com · ▲15

  Codemod grep searches public code by syntax and structure, not just text or regex. Use ast-grep patterns to find code by shape across repositories.

• 
  SeaGOAT – local, “AI-based” grep for semantic code search2023 · github.com · ▲240

  local-first semantic code search engine. Contribute to kantord/SeaGOAT development by creating an account on GitHub.

• 
  /dev/null▲484

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 28d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 26d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Sidekick▲1,341

  An AI-powered accessibility assistant in Stark

  AI · 2023 · getstark.co

• 
  Boring Report, a news app that uses AI to desensationalize the news▲1,166

  In today's world, catchy headlines and articles often distract readers from the facts and relevant information. By utilizing OpenAI's language models, Boring Report processes sensationalist news articles, transforms them into the content you see, and helps readers focus on the essential details. We recently updated our iOS app experience, so any and all feedback would be appreciated. App Link: https://apps.apple.com/us/app/boring-report-news-by-ai/id644...

  AI · 2023 · boringreport.org

• 
  Dora AI (Alpha)▲1,136

  Generating powerful websites, one prompt at a time

  AI · 2023

• 
  AudioPen▲888

  The easiest way to convert messy thoughts into clear text

  AI · 2023 · audiopen.ai

• 
  Momentum Page▲834

  Launch your website in seconds, get users in minutes

  Dev tools · 2023 · page.mmntm.build

• 
  Moda▲791

  An e-commerce growth marketing platform

  Growth · 2023