Apps similar to Superhuman Mail include Thunderbird, which is free and open source. Other options are K-9 Mail, Microsoft Outlook, FairEmail and Spark Mail. There's no shortage of Email Clients like Superhuman Mail, with more than 50 alternatives for Windows, Mac, iPhone, Android and the web.
PriorityEngine helps businesses identify which emails need attention first by detecting important issues, opportunities, risks and commitments.
United States
AI email triage for Gmail and Outlook that keeps only what needs you in the inbox and explains every decision.
United States
The mail summariser you can hand a phishing mail to. Reads a mirror mailbox, strips every message to plain text in code, has a second model check for phishing, and delivers text-only digests to Telegram, Discord or Signal. Installable via apt and dnf.
Germany
EU
AI email client that sorts your mail into Needs You, FYI, and Noise, builds your day in a Today view, and drafts replies in your voice.
Singapore
TabMail is available as a standalone iPhone email client and an AI assistant add-on for Thunderbird. It works with existing Gmail, Outlook, iCloud and IMAP inboxes, offering suggested replies, conversational editing, email triage and chat with your inbox.
Canada
Hylki is a fast, GNOME-native email client with a three-pane layout, unified inbox, and support for OAuth accounts. Fast to open, effortless to read, and private by default.
United States
Suzume Mail is a focused Mac email client for people who work in long conversations. It keeps the thread visible, adds fast keyboard navigation, and gives privacy-minded users a calmer native desktop workflow.
