Remember, for every paid SaaS, there is a free open-source self-hosted alternative. Let's take a look at 10 FOSS tools designed to replace popular tools like MS Office, Notion, Heroku, Vercel, Zoom, Adobe, and more.

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⭐ Repos mentioned

LibreOffice

Mattermost

Nocodb

Plane

Appflowy

Jitsi

ERPNext

Coolify

Dokku

Instant

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[–] joeldebruijn@lemmy.ml 1 points 2 months ago* (last edited 2 months ago)

My understanding is roughly, for example:

Microsoft Word desktop application: not SAAS.
Microsoft Word online: SAAS (just like any other service accessible by browser but not a "localhost")
Onedrive: SAAS, storage with local explorer integration.
Exchange server on prem: not SAAS, increasingly diffucult to do.
Exchange server by MS: SAAS
Microsoft Outlook Classic for desktop: not SAAS.
Microsoft Teams for desktop: SAAS although local install but its just another frontend instead of browser.
Office365: SAAS but really a container for every tool in the MS online toolbox together.

Some caveats: Word handles spellchecker in their cloud and clippy 2024 (Copilot) integration blurs the line.