The Best Flowchart.js Alternatives in 2026

Code2Flow converts code or pseudocode into editable flowcharts with export options.

This JavaScript deobfuscator cleans and deobfuscates JavaScript files in one step.

Test beta versions of apps and App Clips with Apple TestFlight; the listing says it is not currently accepting new testers.

Sourcegraph provides code search and context tools for developers working across repositories and large codebases.

Open cached and archived versions of a webpage with CachedView, including Google Cache options.

Jupyter Notebook combines live code, equations, explanatory text, visualizations, and interactive computing in a web platform.

Gitingest turns a Git repository into a plain text digest designed for use with language model prompts.

Search large sets of text with sift, a fast command-line alternative to grep that provides regular expression matching.

Jupyter Widgets provides interactive Python objects for notebook interfaces, including controls such as sliders and text boxes.

Project Wallace analyzes CSS complexity, specificity, performance, and design tokens.

Apache cTAKES provides documentation and resources for a clinical text analysis system.

LightTest compares website loading performance frame by frame on a shared timeline.

The tidyverse is an integrated collection of R packages for data science.

Kenny Bastani’s blog covers building software, with open source examples and tutorials on microservices and cloud native systems.

HTML and CSS feature support in email clients is documented in Can I Email? through compatibility tables.

Accord.NET combines machine learning with audio and image processing libraries in a C# framework.

Budibase helps teams build internal tools, automate workflows, and create AI agents connected to business systems.

Build native interfaces with Slint, a declarative GUI toolkit for Rust, C++, JavaScript, and Python.

For parallel computing in Python, Dask extends familiar tools to handle larger workloads.

LangChain’s reference docs cover packages for LangChain, LangGraph, agents, LangSmith, and integrations.

Monitor websites, SSL certificates, keywords, and cron jobs with UptimeRobot and receive alerts.

Etebase provides an open-source, end-to-end encrypted SDK and backend for building applications that protect user data.

dlib provides C++ libraries for image processing, machine learning, and related algorithms.

NGINXConfig generates NGINX server configuration for performance and security settings.