Best Owl parser generator Alternatives & Competitors in 2025

ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for...

Key ANTLR features:

Human-Readable Grammar Comprehensive Tooling Target Language Support Error Handling

Open Source

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

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Key Netumo features:

Monitoring SSL Monitoring Twitter SMS notifications

Try for free freemium $9.0 / Monthly (Lite plan)

Ragel compiles executable finite state machines from regular languages.

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

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

Open Source

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.

Key textX features:

Domain-Specific Language (DSL) Development Ease of Use Python Integration Meta-Modeling

We call you when your website goes down.

Key Better Uptime features:

Real-Time Monitoring Incident Management Status Pages Global Coverage

freemium

Aspose.Total Parser is a free online documents parsing app that allows loading and extracting text as well as images from any document. It has included support for Word, Excel, PowerPoint, Microsoft Visio, MS Project, OneNote, OpenOffice & many more.

free

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

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Key Netumo features:

Monitoring SSL Monitoring Twitter SMS notifications

Try for free freemium $9.0 / Monthly (Lite plan)

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

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

Key Unleash features:

Flexibility Open Source Multiple Environment Support Strong Community

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

Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring.

Key StatusCake features:

Comprehensive Monitoring Global Test Locations User-Friendly Interface Instant Alerts