Free and open first
Best Code Search Tools in 2026
Code search tools help you find patterns, navigate code and explore what a codebase contains. Compare indexing scope and supported languages with code navigation and regex search. IDE extensions and deployment options can help you assess how a tool fits into your workflow and operating setup. Free-plan availability and paid-from pricing provide cost context. ast-grep, Chromium and Code Search are among the entries, alongside sqry and Shebe. Consider what you need to search, which languages matter and where you want to access the search tools.
- 42 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Avidemux
Free plan Open source LinuxMacWeb+1 - 2
Chromium
Free plan Open source AndroidExtensioniPhone+3Choose Chromium if you want an open-source browser project with code, technical documentation, and ways to contribute.
- 3
ast-grep
Free plan APIExtensionLinux+3ast-grep combines structural code search, configurable linting, and rewriting in a free, open-source tool.
- 4
Code Search
Free plan APILinuxMac+3Code Search brings repository-wide search, code navigation and bulk changes to a self-hosted setup. Community is free; teams needing Enterprise access controls should request pricing.
- 5
Code Fundi
Free plan APIExtensionWebCode Fundi combines repository search, AI-assisted research and codebase mapping across web, API and editor integrations.
- 6
GNU GLOBAL
Free plan LinuxMacSelf-hosted+1GNU GLOBAL provides code tagging and navigation for several languages, with search options for larger source trees. Check that its language support and platform availability fit your environment.
- 7
Comby
Free plan APILinuxMac+2Choose Comby for structural code search and refactoring where lightweight syntactic matching is sufficient.
- 8
OpenGrok
Free plan APILinuxMac+3OpenGrok provides code search and history browsing for self-hosted source trees, with broad revision-control support.
- 9
Hound
Free plan APILinuxMac+2Hound combines repository indexing with regex search and offers several ways to connect it to existing developer workflows. Account for its Windows and TLS limitations when planning a deployment.
- 10
LXR Cross Referencer
Free plan LinuxSelf-hostedWebLXR is a free, self-hosted option for browsing indexed code with links between identifiers and their uses.
- 11
Semantic Designs Source Code Search Engine
Free plan APILinuxSelf-hosted+1The engine offers language-aware search, navigation, and metrics for indexed codebases. Its evaluation has a 10,000-line limit and expires 90 days after download.
- 12
Shebe
Free plan APILinuxMac+2Shebe offers local, text-based repository search with MCP tools and no cloud-service requirement.
- 13
Cloud Native Buildpacks Lifecycle
Free plan LinuxSelf-hostedCloud Native Buildpacks Lifecycle provides a structured, containerized way to assemble OCI images from source and buildpacks.
- 14
LeIndex
Free plan APILinuxMac+3Choose LeIndex if you want repository search that combines keyword matching, structural analysis, and optional local neural scoring. It is also suited to AI coding workflows through its MCP server.
- 15
searchcode
Free plan APISelf-hostedWebsearchcode combines repository search, code analysis, credential scanning, and contextual file retrieval.
- 16
Understand
Free plan APIExtensionLinux+3Choose Understand if you need static code analysis and navigation across its supported languages, or need command-line, CI, self-hosted or offline workflows.
- 17
Sourcebot
Free plan APISelf-hostedWebSourcebot combines repository-wide search and code navigation with tools for coding agents, deployed in the customer environment.
- 18
idx
Free plan LinuxMacChoose idx if you want free, local search for a Git repository and value ranked results, query filters, or the documented AI editor workflow.
- 19
Sensegrep
Free plan APIExtensionLinux+3Sensegrep combines several code-retrieval methods with structural filters and duplicate detection.
- 20
sqry
Free plan LinuxMacWindowssqry offers local structural queries across a broad set of language plugins, along with AI and editor integrations.
- 21
Zoekt
Free plan APISelf-hostedWebChoose Zoekt if you need open-source code search across repositories and can run its commands or services yourself.
- 22
ack
Free plan LinuxMacWindows - 23
HodorReflexes
Free planHodorReflexes provides broad group combat information and coordination tools at no cost. Installation dependencies and the beta HPS module are important considerations.
- 24
CodeQuery
Free plan LinuxMacWindowsCodeQuery focuses on free, self-hosted codebase indexing and navigation with IDE extensions. Its main selection considerations are the 7.0-language coverage and the need to run it on your own systems.
- 25
Android Code Search
Free plan Web
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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