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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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.
