Install and Configure Desktop and Mobile Apps

Install and Configure Desktop Apps

In many circumstances, you can’t run all the software you need as a web application, so you’ll need a few desktop and mobile applications. In particular, I recommend installing the following desktop apps:

Thunderbird (desktop email, calendar and contacts)

Thunderbird is the default mail software for most Linux distributions and can easily be downloaded for Windows or Mac from the Thunderbird website. When you first start Thunderbird, it will guide you through a simple email setup for your Open Source I.T. domain. By clicking on the Thunderbird “Add-ons” menu item, you can install “Lightening”, the defacto calendar and scheduling plugin for Thunderbird, as well as “CardBook” to manage your contacts. You can find a bunch of other great open source software plugins for Thunderbird in the add-ons directory, as well. “Shrunked Image Resizer” is handy for automatically reducing attached image sizes, for example.1 Unfortunately, recent versions of Thunderbird have broken backwards-compatibility with many add-ons, so the directory isn’t as rich as it used to be.

You can connect your contacts and calendar to Nextcloud according to the following guide: https://docs.nextcloud.com/server/18/user_manual/pim/sync_thunderbird.html You may need to un-check “Local Address Books” from the “Preferences > Composition > Addressing” settings page in Thunderbird in order for email composition to use auto-complete from CardBook.
NOTE: If you have existing contact lists that you are trying to import to Nextcloud, you may need to create groups in Nextcloud with the exact same name as your contact lists in order for these lists to be preserved.

If you’re not using Nextcloud for your contacts and calendar, there may be other Thunderbird add-ons available, such as “Provider for Google Calendar” and “gContactSync” for Google.

KeepassXC (password management)

While Nextcloud offers a very convenient Passwords app, I can’t recommend it, out of principle. Since remote password management systems have the ability to decrypt passwords in order to provide them back to your computer, they increase the possible attack area for your passwords to be intercepted. Using a desktop app as the authority for decrypting your passwords keeps you safer in your own computing “burrow” – and adding two-factor authentication (2FA) will keep your passwords about as safe as you can get. That is, of course, if your passwords themselves are strong passwords – either long random strings (that KeepassXC can generate for you), or at least long mnemonic strings (like the Bruce Schneier method).

The Nextcloud Desktop Synchronization Client

If you already have a lot of data you want to sync, be prepared for this to take a while, possibly several days, depending on your upload bandwidth and the amount of data.

Install and Configure Mobile Apps

The following mobile apps are for Android. While the Nextcloud apps also have iOS versions, I’m not sure what the open source equivalents are for the rest. Apple is not an open source friendly company.

Primary Productivity Apps

  • K9 mail
    See the Yunohost Configuring Email Client page.

    FairEmail2
  • Etar + Davx5 calendar and contact sync (+ ICSx5 for read-only ICS calendars like Google)
  • Nextcloud file browsing and photo sync
  • Tasks.org3
  • keepass2android
  • Element (Matrix chat)

More Open Source Fun

  • F-Droid (free/ open-source software catalog/installer)
  • OsmAnd (an on and off-line mapping application for driving directions, etc.)
  • OpenCamera
  • Open Note Scanner
  • IceCat (browser)

  1. Shrunked image resizer sometimes rotates images and the settings to disable this don’t seem to work. A work-around is to open the image in gThumb (or other photo editor) and quickly rotate/un-rotate the image).
  2. Due to a long-standing issue, I can no longer recommend K9 mail since users are not alerted of new mail once the K9 app has been “dozed”.
  3. Davx5 will prompt to install OpenTasks but Tasks.org is awesome and both are equally open source IIUC.

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