Mastodon, Peertube, Pixelfed: easily replace Twitter, Instagram and YouTube

Summary

The video introduces the Fediverse: a network of independent, often open-source social platforms that can communicate with one another. Rather than being controlled by one company, each platform consists of separate servers, or instances, with their own communities and moderation rules. An account on one instance can generally interact with users on other connected instances.

How the Fediverse connects services

ActivityPub, an open standard endorsed by the W3C, allows different Fediverse services to exchange posts and interactions. For example, a Mastodon user can follow a PeerTube channel or a Pixelfed account, and comments on a PeerTube video can appear through Mastodon.

This interoperability can let people follow content from multiple services in one app. However, each platform’s own app or website may provide a more complete experience.

Platforms covered

Mastodon: a Twitter-like microblogging service

• Supports posts of up to 500 characters, images, videos, polls, content warnings, hashtags, mentions, links, emojis, and animated avatars.
• To join, users choose an instance. Some allow immediate sign-up, while others require an application.
• Instances have different topics and moderation policies, but most connect to the wider Mastodon network.
• The speaker cites about 1.5 million active users at the time of recording, while noting that the number may have changed.

PeerTube: a YouTube-like video platform

• Runs across federated instances, allowing users to follow channels hosted on different servers.
• Uses peer-to-peer delivery: people watching the same video can help share parts of it, reducing the load on the hosting server.
• Videos can be watched without an account. Accounts provide subscriptions, feeds, and notifications.
• Creators can automatically publish YouTube videos to PeerTube. At the time of recording, PeerTube had no official mobile apps, but Mastodon apps could be used to follow channels.
• The speaker notes that PeerTube videos do not have platform ads, though copied videos may still include the creator’s own sponsored segments.

Pixelfed: an Instagram-like photo and video service

• Focuses on photos and videos rather than features such as Reels or livestreams, and is ad-free.
• Offers filters, cropping and resizing, alt text, hashtags, locations, and photo collections.
• Pixelfed accounts can be followed from Mastodon and other compatible services.
• The video mentions PixelDroid for Android and an iOS app that was still in beta at the time.

Overall assessment and getting started

The speaker presents the Fediverse as decentralized, modular, and interoperable. Users can host their own instances while still connecting to other servers.

Its main limitation is its smaller user base: people may not find everyone they follow on mainstream platforms, so these services may not be complete replacements for everyone. Viewers are encouraged to choose an instance and try the platforms.

The video also provides introductory guidance on choosing an instance, creating an account, accessing services through a browser or mobile app, and using Mastodon to follow content from other Fediverse services.

Other segments

• Sponsor: TuxCare — Promotes extended lifecycle support for Python, including security updates and patches for versions that are no longer officially supported. This gives teams more time to plan upgrades.
• Sponsor: Tuxedo Computers — Promotes Linux laptops and desktops with hardware configuration options and Linux support intended to reduce compatibility setup.

Main speaker and sources

• Main speaker: Nick from The Linux Experiment
• Other sources mentioned: ActivityPub and the W3C; Framasoft, which develops PeerTube; and the Mastodon, PeerTube, and Pixelfed projects.