Avoid Google Chrome, Microsoft Edge...
Web browers are the portal that we use to connect to the web. ...
Avoid Gmail, Outlook
In order to fuel "smart" functionnalities in mail clients, big corporations collect unreasonable amounts of data about their users and private communications. Choosing a more privacy-respecting mail client is key to your digital freedom.
Thunderbird
All desktops Private & Open Source
Avoid G-Suite, Microsoft Office
Nowadays, the main office suites have become very closed and incompatible with their competitors, and some of them even come with a fairly high price tag. However, many open-source equivalents are available, offering great stability, standard file formats, and a great compatibility with other office suites.
Libre Office
All platforms Private & Open Source
Open Office
All desktops Private & Open Source
Only Office
All platforms Private & Open Source
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Avoid Dropbox, Google Drive, Onedrive...
While they are very convenient, cloud providers like Dropbox and Google Drive have very bad privacy policies that enable them to possibly see the files you upload there, and aren't very secure. The following replacements offer better security and strong privacy practices.
Nextcloud
All platforms Private & Open Source
Some 3D modeling programs, like Autodesk software, are very costly. Luckily, some excellent free and open-source alternatives exist for these purposes. Whether you're an amateur or professional, this software will help you accomplish what you want.
Blender
All desktops Open Source