When comparing Hall vs Keybase, the Slant community recommends Keybase for most people. In the question“What is the best team chat software?” Keybase is ranked 25th while Hall is ranked 60th. The most important reason people chose Keybase is:
Completely end-to-end encrypted.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Cross-platform desktop, mobile and web
There is iOS, Android, Mac, Windows, Linux and web software available.
Pro Multiple service integrations
Hall integrates with Dropbox, Box, Asana, Trello, Github, Heroku, Jenkins, New Relic, Pivotal Tracker, UserVoice and Zendesk.
Pro Free
Free on on all devices.
Pro Dropbox and Box integration
You can use Dropbox and Box to share files in Hall.
Pro E2E encrypted
Completely end-to-end encrypted.
Pro Identity verification
Users can publish proofs of identity (PGP public key, Twitter, Facebook, etc).
Pro FOSS
Free (as in beer) and Open Source Software.
Pro Encrypted file sharing
Securely share files.
Pro Public encrypted filesystem
For sharing files publicly.
Pro 250GB of free team file storage
250GB of free storage for encrypted files in a team.
Pro Public teams
Teams can be public with open access or admin-approved access. Opt-in to list public teams.
Pro Private teams
Teams can be completely private (access granted via admin-approval only, not publicly listed).
Pro Encrypted Git
Encrypted private or team Git repositories with automatic commit signatures.
Pro Blockchain technology
Based on blockchain technology.
Pro Sigchain verification
View/verify the cryptographic signature history of any user.
Pro PGP/GPG support
Encrypt/decrypt any PGP message or file with minimal effort.
Pro Public key encryption
Supports public key encryption.
Pro Private encrypted filesystem
Securely store personal files that only you can access.
Pro Shared private encrypted filesystem
Share files securely and privately with other users, a group of users, or a team.
Pro 250GB of free private file storage
250GB of free storage for privately-encrypted files.
Pro Free static site hosting
Host a public static website for free. Sites are automatically viewable via keybase.pub if an index.html or index.md exist in your public files.
Pro Emoji reactions to limit excessive posts and notifications
Pro E2E encrypted team chat
Teams are E2E encrypted, unlike Slack and other services.
Cons
Con Has gone out of service
But may be integrated into Atlassian's HipChat.