The Best Biome Alternatives in 2026

Mockaroo generates custom test datasets in CSV, JSON, SQL, and Excel formats, with an API mocking tool for software testing.

Mockium generates fake data from user-defined fields and schemas and can export results in formats such as CSV, SQL, JSON, and XML.

EditorConfig helps maintain consistent coding styles across different text editors through a shared file format.

Crontab Guru provides an editor for creating and checking cron schedule expressions.

namae checks whether an app name is available across multiple major registries.

Badges provides designed badges for services, with hundreds of options across nine categories and multiple styles.

Front-end developers can use this checklist to review quality rules and workflows for websites.

JSON Schema describes and supports reliable use of the JSON data format.

Fancy Badges provides customizable project badges in multiple formats through a maintained software fork.

Syntax highlighting, matching rules and mappings for the original Markdown and extensions.

Commit messages can be checked against formatting rules with Commitlint.

Search directories recursively for regular expression matches with ripgrep, while respecting gitignore rules.

Netron displays neural network, deep learning, and machine learning models across formats such as ONNX, TensorFlow, and PyTorch.

libfolia provides a C++ library for processing data in the FoLiA format.

App DevTools groups browser-based tools for text, web code, encoding, validation, and data conversion tasks.

Command Not Found helps users identify which package provides a missing command and how to install it.

Website Carbon Calculator estimates a website’s carbon footprint using the Sustainable Web Design Model.

Browse network, DevOps, and site reliability tools from Site24x7, though the page says the searched tool is unavailable.

Search more than 100 technology references in DevDocs, an offline documentation browser for developers.

Handle tasks such as JSON formatting, text comparison, and regular expression testing with DevToys, a desktop toolkit.

Real-time web log analysis and interactive reports are available through GoAccess.

Code Beautify offers online tools for formatting, validating, viewing, and converting developer files and data.

The igraph site offers network analysis software and describes igraph as a network analysis package.

WakaTime tracks coding time and AI usage across editors, with views by project and language.