Chttr.co vs Zhizhi Reader
A side-by-side look at Chttr.co and Zhizhi Reader. For an in-depth review of either product, follow the links below.
Chttr.co
Social & Communications
Chttr.co is a free, open-source alternative to Slack that allows teams and organizations to chat and collaborate. It offers public/private channels, direct messaging, file sharing, search, and integrations with other services.
opensourceselfhostedteam-chatchannelsdirect-messagingfile-sharingintegrations
Zhizhi Reader
Education & Reference
Zhizhi Reader is a free and open source document reader and annotation tool. It supports PDF, EPUB, MOBI, AZW, and other common file formats, allowing users to view, annotate, highlight, and manage documents and ebooks.
document-readerpdf-readerebook-readeropen-source
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