Anti-spam is software designed to detect and block potentially dangerous or unwanted emails, flag those messages, and send them into the spam folder instead of user inboxes.
Mr. Free Tools’ Filters
Open Source: an open-source tool is often completely free, but some exceptions are offered as a freemium.
Free Tool: a tool offered for free in its full version with all features and no limitations.
Freemium Tool: a tool offered for free with some limitations (limited features, limited support, limited usage, etc.).
Free to Try: the full version of the tool for a brief period to test it before purchase (Free trial).
Free Micro Tool: a free simple tool that performs a basic and specific task. For example, a meme generator or word counter.
Free Resource: these could be free courses, graphic assets, templates, directories, or anything else free and useful.
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