not even a download button, but aye they've released v1.0. Are they mad about VSCode telemetry ?
try installing it via git clone, they require an old version of node.
For end users, we build Gitpod to provide continious development environment: https://dev.to/svenefftinge/continuous-dev-environments-the-... For instance try to run Theia: https://gitpod.io/#https://github.com/eclipse-theia/theia After try to build Theia from sources locally.