htmlreference.io vs Red Pen

A side-by-side look at htmlreference.io and Red Pen. For an in-depth review of either product, follow the links below.

htmlreference.io

Development

htmlreference.io is a free and open-source reference guide for HTML, listing elements, attributes, events, color names, entities, HTTP messages, and more. It aims to provide a one-stop detailed reference for HTML.

htmlcssjavascriptreference

Full review → Alternatives

Red Pen

Office & Productivity

Red Pen is an open-source proofreading tool for identifying writing issues in documents. It checks for spelling, grammar, style, and localization issues in over 20 languages.

proofreadingeditingwritinggrammar-checkspell-check

Full review → Alternatives