17.3
Free planOpen sourceWebLinuxmacOS
Best Code Search Tools in 2026
Code search tools help you locate symbols and patterns, and explore how code relates across a project. Compared on code navigation, indexing scope, supported languages, and regex search, the options offer different ways to search and inspect code. IDE extensions may matter if you want search close to your editing workflow, while deployment choices help you assess where the tool can run. Free-plan availability and…
27.2
Understand is a static analysis and code-comprehension tool that builds a cross-referenced model of source code without executing it.
APIExtensionLinux
37.0
ast-grep is a free, open-source tool for structural code search, linting, and rewriting.
Free planWebAPIExtension
- 4
Chromium
Chromium is a free, open-source browser project and codebase for developers who build, study, and contribute to web software.
Open sourceAndroidiOSExtensionLinux6.9 - 5
Semantic Designs Source Code Search Engine
Semantic Designs Source Code Search Engine searches and inspects indexed source code using language structure, helping users find constructs and…
Free planAPILinuxSelf-hostedWindows6.7Free plan - 6
Code Fundi
Code Fundi turns code repositories into searchable maps for AI agents, teams, and applications.
Free planWebAPIExtension6.6From $21 a month - 7
Sourcebot
Sourcebot is a self-hosted tool for searching, navigating, and understanding enterprise codebases.
Free planWebAPISelf-hosted6.6From $20 a month - 8
Code Search
Code Search is a self-hosted platform for searching and replacing code across repositories, including batch work through a CLI.
Free planWebAPILinuxmacOS6.4Free plan - 9
OpenGrok
OpenGrok is a free, open-source Java engine for searching and navigating source code trees.
Free planWebAPILinuxmacOS6.4Free plan - 10
Source Insight
Windows6.4 - 11
6.4Free plan - 12
GNU GLOBAL
GNU GLOBAL is a source code tagging system for locating program elements such as functions, macros, structs and classes, then navigating between…
Free planLinuxmacOSSelf-hostedWindows6.2Free plan - 13
Shebe
Shebe is a free local code-search tool that uses BM25 full-text search to find text in repositories.
Free planAPILinuxmacOSSelf-hosted6.2Free plan - 14
Hound
Hound is a free source code search engine that indexes repositories and lets users search them with regular expressions.
WebAPILinuxmacOS6.1 - 15
LeIndex
LeIndex is a semantic code search engine that can search repositories by meaning rather than relying only on matching terms.
WebAPILinuxmacOS6.1 - 16
LXR Cross Referencer
LXR Cross Referencer indexes source code and creates web pages that link identifiers to their definitions and uses.
Free planWebLinuxSelf-hosted6.1Free plan - 17
Sourcegraph Code Search
WebAPIExtensionSelf-hosted6.1From $16,000 a year - 18
searchcode
searchcode provides code intelligence dossiers for public GitHub repositories, with information on languages, complexity, technology stack, and code quality.
Free planWebAPISelf-hosted6.0Free plan - 19
Comby
Comby is a free, open-source tool for searching and changing code structure with lightweight templates.
APILinuxmacOSSelf-hosted5.9 - 20
Zoekt
Zoekt is a free, open-source text search engine built for source code.
Free planWebAPISelf-hosted5.9Free plan - 21
CodeCompass
CodeCompass is a free, open-source tool for understanding large software codebases.
WebAPILinuxSelf-hosted5.8 - 22
Livegrep
Livegrep is open-source software for interactive regular-expression searches across source repositories, including repositories around gigabyte scale.
WebLinuxSelf-hosted5.8 - 23
Woboq Code Browser
Woboq Code Browser creates a web interface for exploring C and C++ codebases.
WebLinuxmacOSSelf-hosted5.8 - 24
Imagix 4D
Imagix 4D helps C, C++, and Java developers understand, document, review, and improve complex source code, including legacy and third-party software.
LinuxWindows5.7 - 25
idx
idx is a free, local search tool for code in Git repositories, available for Linux and macOS.
LinuxmacOS5.6