* [Stingle Photos](https://stingle.org/) - Open source solution that provides strong security, privacy and encryption to backup your photos.
* [Crypt.ee](https://crypt.ee/) - A private and encrypted place for all your photos, documents, notes and more.
* [Photoprism](https://photoprism.app) - Feature rich server-based application for browsing, organizing and sharing your personal photo collection. The most similar to Google Photos.
* [Nextcloud](https://nextcloud.com/) - The open source self-hosted productivity platform that keeps you in control. It has a [*Photos*](https://github.com/nextcloud/photos) plugin to help you organize and visualize your photos.
* [Nextcloud](https://nextcloud.com/) - The open source self-hosted productivity platform that keeps you in control.
**Other useful tools**:
* [Cryptomator](https://cryptomator.org) - Cryptomator encrypts your data quickly and easily. Afterwards you upload them protected to your favorite cloud service.
* [Syncthing](https://syncthing.net/) - Continuous file synchronization program. It synchronizes files between two or more computers in real time, safely protected from prying eyes.
<imgwidth="16"src="misc/forbidden.png"></img> Don't use instagram (or at least the official client). Instagram is a very privacy-invasive app with biased results and feeds based on user profiles, it is also used as a manipulation tool and has a lot of censorship going against free speech. Lastly, it has an addictive and toxic ui-design.
<imgwidth="16"src="misc/forbidden.png"></img> Don't use YouTube (or at least the official client). Youtube is very privacy invasive, it generates a very accurate profile based on your interests. Also it is a [radicalization tool](https://www.pcmag.com/news/does-youtubes-algorithm-lead-to-radicalization) which shows [biased content to users](https://arxiv.org/pdf/1908.08313.pdf) in order to get more engadgement and to get them to watch more and more content creating an [adiction](https://medium.com/dataseries/how-youtube-is-addictive-259d5c575883). It never shows you [alternative opinions](https://arxiv.org/pdf/1908.08313.pdf) to your ideology/bias. Youtube censors a lot. Youtube collects a LOT of your data: interesnts, free time, ideology, likes, dislikes, music taste, etc...
* [Peertube](https://joinpeertube.org/en/) - A free, open and decentralized alternative to video platforms.
* [LBRY](https://lbry.tv/) - LBRY is a secure, open, and community-run digital marketplace. Enjoy the latest content from your favorite creators - as a user, not a product.
- [Yotter](https://github.com/ytorg/yotter) - Youtube and Twitter with privacy. Never share any of your data to Youtube, yet be able to watch Youtube videos.
- [Invidious](https://github.com/iv-org/invidious) - Alternative and privacy respecting Youtube frontend.
- [NewPipe](https://newpipe.net/) - Alternative android Youtube app. No account needed, privacy respecting. **Shares IP with Youtube**
#### Worth mentioning:
- [Piped](https://github.com/TeamPiped) - Work in progress.
* [Signal](https://signal.org/) - Extreme focus on privacy, combined with all of the features you expect. Strong encryption by design.
* [Molly](https://github.com/mollyim/mollyim-android) - Signal-compatible fork client with some security enhancements.
* [Element](https://element.io/) - All-in-one secure chat app for teams, friends and organisations. Keeps conversations in your control, safe from data-mining and ads. Talk to everyone through the open global Matrix network, protected by proper end-to-end encryption.
* [Jabber / XMPP](https://xmpp.org/) - The universal messaging standard. Tried and tested. Independent. Privacy-focused.
* [Conversations](https://conversations.im/) - Jabber/XMPP client for Android 4.0+ smartphones that has been optimized to provide a unique mobile experience
* [AstraChat](https://astrachat.com/)
* [Session](https://getsession.org/) - Extreme focus on privacy. Blockchain technology.
* [Status](https://status.im/)
#### Worth mentioning
* [Berty](https://berty.tech/) - Not released yet.
* [Telegram](https://telegram.org/) - Not fully open source. No E2E encryption by default on chats.