Open Source

APROVADO! alternativa ao iTunes (é um "port" do Amarok, player que vi recomendação, mas não encontrei para instalar). Este, funciona tanto em Windows quanto Linux.

MindMap. Link: site oficial fora do ar. Disponível no Gerenciador de Aplicativos do Linux Mint (Ubuntu) [nos comentários, dizem que é uma build antiga e há outra mais atual em .rpm que pode ser convertida para .deb.

CryFS encrypts your files, so you can safely store them anywhere. It works well together with cloud services like Dropbox, iCloud, OneDrive and others.

Free and Open Source Translation API. 100% self-hosted, no limits, no ties to proprietary services. Built on top of Argos Translate.

Alternative front-end for Google Translate, serving as a Free and Open Source translator with over a hundred languages available

At its core, Tatoeba is a large database of example sentences translated into several languages. Search example sentences translated into many languages. Add and translate your own sentences. It's collaborative, open, free, and even addictive.

Wiktionary is a multilingual, web-based project to create a free content dictionary, available in 158 languages. Unlike standard dictionaries, it is written collaboratively by volunteers, dubbed "Wiktionarians", using wiki software, allowing articles to be changed by almost anyone with access to the website.

Apertium is a rule-based machine translation platform. It is free software and released under the terms of the GNU General Public License.

Languages supported in stable version: Asturian, Basque, Breton, Bulgarian, Catalan, Danish, English, Esperanto, French, Galician, Icelandic, Macedonian, Norwegian (Bokmål and Nynorsk), Occitan, Portuguese, Romanian, Spanish, Swedish and Welsh; many more are under development.

In addition to translating through the web page, you can download and run the translator on your own machine, both on Windows, Mac and GNU/Linux systems.