Open at the foundation.
Readable source, visible origins, and respect for the communities that build the foundations. Upstream licenses and attribution travel with every product.
Welcome to AltStack
An alternative stack.
For everyone.
A place to connect. Tools to create. Software to make your own. On your computer and in the cloud.
Social
Your workspaceYour projectsYour communitySettingsConnect · AltStack Social
A corner of the web that feels like yours.
Friends, communities, conversations, and your own identity.
01Open by design
02Yours to shape
03A shared language
Select a dock icon to explore the product family. This desktop is a design concept.
One family. Endless possibilities.
Build your own everyday.
From the first idea to the final export, a coherent family of open-source tools. Each product keeps its own purpose and shares the same familiar feel.
An alternative worth choosing
Your computer.
Your cloud. Your call.
Local when it matters.
Desktop tools belong on your desktop. Cloud collaboration belongs alongside them. Each product should explain where your work lives.
Familiar, looking forward.
The clarity of a great desktop: tactile controls, silver surfaces, calm blue accents, and space for your work. Built for modern screens and modern expectations.
AltStack LLC
A new name.
A shared direction.
Welcome to AltStack. One identity across the browser, office, social platform, and creative tools.
altstack.io — the public home and applications.
altstack.social — the planned Social PDS.
Availability varies by product. Desktop clients, hosted services, and upstream integrations retain their documented requirements.