Bluesky vs Mastodon
Learn how Bluesky and Mastodon differ in their key features, development activity, technology
stack and community adoption, so you can decide which of these decentralized social networks is best for you.
Learn how Bluesky and Mastodon differ in their key features, development activity, technology stack and community adoption, so you can decide which of these decentralized social networks is best for you.
Bluesky
Last 30 days
Last commit
1 day agoRepository age
4 yearsVersion
1.132.0License
MITRepository
bluesky-social/social-app
Mastodon
Last 30 days
Last commit
5 hours agoRepository age
11 yearsVersion
v4.7.2License
AGPL-3.0Self-hosted
YesRepository
mastodon/mastodon
Detailed Comparison
Mastodon appears to have several advantages over Bluesky, particularly in popularity, maturity and features. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Mastodon appears to have several advantages over Bluesky, particularly in popularity, maturity and features. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Community & Popularity
Mastodon leads in popularity with 50,305 stars vs 18,298 stars for Bluesky. The 175% higher star count indicates stronger community adoption. In terms of developer contributions, Mastodon has 7,500 forks, indicating strong developer engagement.
Growth Momentum
Bluesky and Mastodon are moving at much the same rate, adding 64 stars and adding 69 stars respectively over the last 30 days (+0.4% vs +0.1%). Neither is pulling away from the other on momentum alone.
Development Activity
Both projects show recent activity, with Bluesky last updated 1 day ago and Mastodon 5 hours ago.
Technology Stack
Both tools share common technology foundations, being built with JavaScript, CSS, Typescript, JSX, Ruby. However, they differ in their additional technology choices: Bluesky uses Bash, Golang, Swift, Kotlin while Mastodon leverages SCSS, Rails.
Project Maturity
Mastodon has been in development longer, starting 11 years ago, compared to Bluesky which began 4 years ago. This 6.4-year head start suggests Mastodon may have more mature features and established processes.
Licensing
Bluesky uses the MIT license, which is more permissive than Mastodon's AGPL-3.0 license, potentially offering greater flexibility for commercial use and integration.
Use Cases & Features
Both tools serve similar use cases in Decentralized Social Networks.
Hosting & Deployment
Mastodon provides self-hosting options for complete data control and customization, while Bluesky may be primarily cloud-based or require different deployment approaches.
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.