- Maps: Google Maps, Maps.me (offline) and Forever Map (offline)
- Currency Converter (app): XE Currency Converter or Valuta+
- Meet people: Meetup, Couchsurfing (events, hangouts, ride sharing), free walking tours (e.g. Sandeman)
- Skillshare (app): Learn a new skill (e.g. photography, business) via video.Click this link to get 2 months of Skillshare Premium for FREE: https://skl.sh/2udRymj
- Instapaper app: A simple tool for saving web pages to read later offline on your phone or computer
- Hitchhiking: hitchwiki.meteor.com
- Calendar (app): google calendar
- Video and voice calls (free): Skype, Gruveo (secure, anonymous and no installs required), Telegram, Viber, Facebook and Whatsapp.
- Music: Spotify (not available everywhere)
- Reddit: To share thoughts, news and jokes.
- Podcasts: Stitcher (app)
- wikitravel.org. Free travel guide.
- wetransfer.com (free). Easy way to send big files (up to 2GB). No registration, simple and secure.
- Save documents offline: Dropbox, Google Drive
- Language. Free offline vocabulary: dict.cc (app) / google translator (app): works offline when the desired language is downloaded.
- Snapseed (app) to edit pictures.