Information Retrieval

Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and...

Open Source

Elasticsearch is an open source, distributed, RESTful search engine.

Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

Groot is an app by Groot.

Open Source

Ambar is a fast, open-sources document search and management system with the automated crawling, instant full-text search and tagging.

Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.

Open Source

A fork of the original Notational Velocity with some additional features and interface modifications

Open Source

Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.

Sajari is a machine learning powered search and matching service.

Unclutter is an app that is designed to help Mac users bring order to their desktop. Among other features, this powerful piece of software provides quick access to a user's notepad and clipboard.

Zenkit is the home you always wanted for your ideas, your projects, your business.

Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.

Boostnote is an open-source note-taking​ app.

Open Source