Open-source alternatives to Tsdoc

Lark is a Python parsing toolkit used to define grammars and convert raw text into annotated parse trees. It serves as an abstract syntax tree generator and a grammar definition language for specifying language rules through terminals and regular expressions. The library provides two primary parsing implementations: an Earley parsing library capable of handling all context-free languages, including those with ambiguity and left-recursion, and a high-performance LALR parsing library designed for deterministic languages with low memory overhead. Beyond core parsing, the toolkit includes capabi

Appledoc is an Objective-C documentation generator and static site generator that parses source code comments to create structured HTML documentation sets. Its primary purpose is to generate professional developer reference guides that adhere to official Apple style documentation. The tool distinguishes itself by integrating directly into the project compilation process via automated build-phase scripts, ensuring that technical guides are updated as code changes. It provides extensive customization through external HTML and CSS templates, as well as a property list configuration system to man

This project is a CSS stylesheet compiler that transforms Sass source code into standard CSS. It provides the primary mechanism for converting styles while implementing syntax rules for web browsers and applications. The compiler supports a module-based dependency system that uses dedicated namespaces to provide encapsulation and prevent global scope collisions. It includes specialized engines for multi-model color conversion and advanced mathematical calculations, including trigonometry and logarithms. Capabilities cover a broad range of build and analysis tools, including the generation of

Dokka is an extensible documentation engine designed to generate structured API reference materials for Kotlin projects. By parsing source code and comments, it functions as a static site generator that transforms codebases into readable documentation. It integrates directly into development workflows as a build system plugin, allowing for the automated creation of reference materials during the standard compilation process. The project distinguishes itself through a modular, plugin-driven processing pipeline that allows developers to modify the generation workflow, customize output formats,

Rushstack is a comprehensive toolset for managing large-scale TypeScript monorepos, providing a framework for build pipeline automation, dependency coordination, and static analysis. It functions as an incremental build orchestrator and management system designed to maintain consistency and performance across multiple packages in a shared workspace. The system distinguishes itself through an execution model based on directed acyclic graphs and content-hash-based incrementalism, which ensures only affected projects are rebuilt. It further optimizes development workflows via remote build artifa

SwiftTips is a curated collection of guides, libraries, and design patterns focused on Swift language mastery, application architecture, and API design. It provides a technical resource for implementing advanced coding techniques and architectural best practices. The project emphasizes creating type-safe and conversational interfaces through strategic protocol composition and generics. It offers specialized patterns for building modular UI systems and managing complex view hierarchies, alongside comprehensive strategies for unit testing and dependency injection. The resource covers a broad s

Crystal is a statically typed, compiled programming language designed for high performance and memory safety. It leverages an LLVM-based compiler to translate source code into optimized machine-executable binaries, while its type-inference-based static analysis enforces strict safety rules during the build process. The language distinguishes itself through a fiber-based concurrent runtime that manages lightweight execution units for asynchronous input and output without blocking the main process. It also features a powerful compile-time macro system that allows for the inspection and transfor

syn is a Rust syntax tree parser and token stream converter. It serves as a toolkit for procedural macro development, providing a framework to parse Rust source code into structured syntax trees for analysis and transformation. The project enables the manipulation of Rust abstract syntax trees through specialized visitor and folder patterns for traversing and mutating nodes. It provides a bidirectional mapping that allows developers to convert token streams into structured trees and print those trees back into tokens for code generation. The library covers a broad range of syntax analysis ca

ReflectionDocBlock is a PHP docblock parser and doc-comment metadata extractor. It functions as a reflection wrapper that extends the standard PHP Reflection API to convert raw documentation blocks into structured objects. The library provides tools for PHP documentation parsing and reflection tooling. It enables the extraction of structured metadata and annotations from reflection objects or raw doc-comment strings to support automated API documentation and static code analysis.

Esprima is a JavaScript parser that converts source code into a structured abstract syntax tree. It implements a specification-driven grammar to ensure compliance with ECMAScript standards, enabling the programmatic analysis and transformation of JavaScript programs. The project provides capabilities for lexical tokenization to break source code into individual symbols and static syntax validation to verify that scripts are well-formed without executing the code. Its functional surface covers JavaScript static analysis, lexical analysis, and the generation of abstract syntax trees.

CodeQL is a semantic code analysis engine and vulnerability scanning tool that treats source code as data. It utilizes a static analysis query language to define complex patterns and security vulnerabilities within a code graph database. The system represents source code as a relational database, enabling the execution of structural queries and data flow analysis. This approach allows for the detection of security flaws and coding errors across large-scale repositories. The tool provides capabilities for automated code auditing, static analysis security testing, and custom vulnerability dete

cel-go is a Go implementation of the Common Expression Language, providing a type-safe engine for the evaluation of non-Turing complete, side-effect-free expressions. It functions as an embedded expression engine that converts human-readable strings into type-checked abstract syntax trees to ensure safe execution. The system utilizes a compile-once evaluate-many model, parsing and validating expressions into cached programs for repeated execution across different datasets. It further distinguishes itself as a partial state evaluator, using commutative logic to compute results and return resid

Traceur is a JavaScript syntax transpiler that transforms modern and next-generation language features into compatible versions for older runtime environments. It functions as a compiler that translates proposed language standards and upcoming syntax into current versions to maintain cross-engine compatibility. The project operates as an asynchronous code transformer, converting async functions and generators into promise-based state machines. It includes a functional tail-call optimizer that wraps recursive functions in trampolines to prevent stack overflows and an ECMAScript polyfill engine

Clean-CSS is a Node.js CSS optimizer that functions as a minifier, bundler, and post-processor. It is designed to decrease total stylesheet volume by removing whitespace, comments, and redundant code. The project provides a pipeline for applying custom transformations and browser compatibility adjustments. It allows for the programmatic modification of CSS rules and values through a plugin system and the use of custom optimization plugins. The tool covers a broad range of asset optimization capabilities, including stylesheet bundling, import rule inlining, and relative URL rebasing. It also

Commonmark.js is a library designed to parse and render text formatted according to the CommonMark specification. It functions as a document processing pipeline that converts plain text into structured HTML or an abstract syntax tree, enabling developers to programmatically inspect, modify, and transform document elements. The library distinguishes itself through its strict adherence to standardized parsing rules, ensuring consistent and predictable output across different software environments. It provides a robust framework for document tree manipulation, allowing users to traverse, insert,

Pyre is a high-performance static type checker and analysis tool for Python. It identifies type errors and ensures type safety without executing the program, utilizing a static type inference engine to maintain consistency across functions. The project is distinguished by an incremental type analysis engine that operates as a background daemon. This system monitors filesystem changes to re-validate only modified parts of a project, reducing the time required for repeated analysis. It also includes a static analysis security tool that uses taint analysis to track untrusted data flows and ident

Dalfox is an automated web application security tool specifically designed for discovering and verifying cross-site scripting vulnerabilities. It functions as an XSS vulnerability scanner that analyzes HTTP parameters and DOM structures to identify reflected, stored, and blind injection points. The project distinguishes itself by providing a Model Context Protocol server and a REST API, allowing artificial intelligence agents and remote interfaces to trigger and manage security scans programmatically. It utilizes a payload mutation engine and fingerprinting strategies to execute WAF evasion t

Goja is a JavaScript engine and ECMAScript compliant interpreter implemented entirely in Go. It serves as an embedded scripting engine that allows Go applications to execute JavaScript code and integrate a programmable scripting layer without relying on Cgo or external native dependencies. The project functions as a bridge between Go and JavaScript, enabling bidirectional data exchange and function invocation. It allows Go hosts to expose native structs, slices, and maps as JavaScript objects and arrays, while providing mechanisms to export script values and functions back into native Go type

This project is a detection-as-code framework providing a library of security monitoring rules and predefined detection content for Elasticsearch data indices. It serves as a threat detection rule library designed to identify malicious activity and attack patterns across diverse data streams in cloud and on-premises environments. The framework implements a detection engineering workflow where rules are defined in YAML and managed as versioned code. It includes a set of command-line utilities for automated rule deployment, metadata searching, and template generation, supported by a Python-base

Shellharden is a shell script hardening tool and linter designed to improve the security and reliability of Bash scripts. It functions as an automated utility that rewrites scripts to follow industry standards for quoting and security practices. The project provides an optimizer and standardizer that replaces unsafe patterns and aliases with safer functional equivalents. It includes a syntax highlighter that uses visual markers and colorization to indicate vulnerabilities and areas where quoting corrections are required. The tool covers a broad range of capabilities including automated safet

This project is a static analysis tool and linter for Elixir designed to enforce a unified visual structure across codebases. It serves as a specification for code formatting, naming conventions, and documentation standards. The tool provides a standardized system for casing and prefixes used in files, functions, and variables. It also establishes guidelines for formatting module and function descriptions to ensure consistent technical documentation. The project covers a broad range of code quality areas, including the organization of module layouts, the implementation of commenting patterns

js-code-to-svg-flowchart is a JavaScript source code visualizer and static code analysis tool that converts programming blocks and iterators into scalable vector graphics flowcharts. It functions as a code-to-diagram converter that maps the structural logic and sequence of operations from source files into visual representations. The system includes a command line interface for generating SVG flowcharts directly from local source code. It features a transformation engine that maps code nodes to schematic shapes and supports a sequence of images at varying abstraction levels to explain logic s

Asciidoctor is a Ruby-based text processing engine and command-line toolchain designed to convert AsciiDoc content into structured publishing formats, including HTML5 and DocBook 5. It functions as a static content publishing toolchain that transforms raw source files into formatted documents. The system utilizes a pluggable converter interface and template-driven output, allowing the default conversion logic to be overridden via custom converters or templates. This enables the generation of specific document structures and the export of content into various publishing formats for diverse dis

The validator is a reference static analysis tool and language specification checker designed to verify that JavaScript source code strictly adheres to the defined grammar, type rules, and structural requirements of the asm.js subset standard. By inspecting source files without execution, it acts as a syntax linter that catches structural errors, malformed syntax, and standard violations early. The tool parses source code into hierarchical token structures to analyze grammatical correctness and language feature usage. It measures code against formal grammar definitions and matches programmati

CodeMirror is a browser-based code editor framework and modular extension system used to embed full-featured text editors into web pages. It functions as a syntax tree parsing engine and a language server protocol client, enabling structural language analysis and deep integration with external programming language services. The project is distinguished by its modular architecture, which uses a system of extensions and compartments for dynamic reconfiguration at runtime. It supports real-time collaborative editing and state synchronization through an operational transformation framework, allow

hugo-book is a documentation theme and static site framework for Hugo designed to create structured technical manuals, documentation books, and multilingual knowledge bases. It transforms directory structures into hierarchical navigation menus and formatted technical content. The framework includes a specialized OpenAPI documentation renderer that converts specifications into structured reference pages. It also provides a full-text client-side search integration and supports multilingual content with right-to-left layout mirroring. The project covers a wide range of content rendering capabil

Expr is a high-performance expression evaluation engine and language for Go applications. It functions as a dynamic rule engine that parses and executes custom logic and data validations at runtime without requiring the application to be recompiled. The system utilizes a sandboxed logic executor to run expressions without side effects. It ensures program termination by employing instruction-level loop detection to prevent infinite loops and isolates the evaluation process from the host system. The engine employs a bytecode-based virtual machine and abstract syntax tree analysis to achieve ex