KeepKnown
Create richer rules, test them on real mail, and see why every message moved. Works with Gmail and Outlook.
Overview
Build advanced Gmail and Outlook filters with richer conditions, safe previews, staged activation, and a decision log for every match.
KeepKnown is a tool designed to create advanced filters for Gmail and Outlook, allowing users to build complex rules, test them on real emails, and understand the reasons behind each message's classification. It features a decision log, safe previews, and supports integrations with GitHub, Google Workspace, and Microsoft 365.
Who Is It For
Users who need advanced email filtering capabilities and want to manage their inboxes more effectively, particularly those using Gmail and Outlook.
Individuals or teams looking for a free email filtering solution, as KeepKnown does not offer a free plan.
Strengths & Weaknesses
The ability to create highly customizable filters with rich conditions and a decision log for tracking filter performance.
Limited free access, as there is no free plan available (AI-inferred; may be outdated – founders can correct this)
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