Chttr.co vs pdf-notes
A side-by-side look at Chttr.co and pdf-notes. 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
pdf-notes
Office & Productivity
pdf-notes is a free, open source software for annotating PDF files on Windows, Mac and Linux. It allows adding text notes, highlights, drawings and stamps to PDFs.
pdfannotationnoteshighlightsdrawingsstamps
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