Best ANTLR Alternatives & Competitors in 2025

Elegant PEG parsing in Java - lightweight, easy-to-use, powerful.

Open Source

The website of Eclipse Xtext, an open-source framework for development of programming languages and domain-specific languages

Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price.

Try for free paid Free Trial $3.0 (3$ per 1 Gb)

Ragel compiles executable finite state machines from regular languages.

textX is a meta-language for building Domain-Specific Languages (DSLs) in Python. It is inspired by Xtext. It will help you build your textual language easily. You can invent your own language or build a support for an existing textual language.

GNU Bison, commonly known as Bison, is a parser generator that is part of the GNU Project.

Tunnel Grammar Studio is an Integrated Development Environment for generating parsers (also known as parser generator or a compiler compiler).

dropincc.java - A small and easy to use parser generator.

Efficient and understandable parser generator.

LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.

Open Source freemium $75.0 / Monthly ("Enterprise Pay-as-you-go", "5 users")

Use the MPS platform to create your own domain-specific language that speaks to your business needs.

All-in-one rental software for small and medium-sized businesses.

paid Free Trial $29.0 / Monthly

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freemium