Momentum
Rising startups →- Launches
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How it compares
Email & inbox management market map →Among 297 Email & inbox management products tracked by Astracia.
- In the bottom half of Email & inbox management products with a traffic rank by web traffic Web traffic rank: #9 of 11
Similar products
Astracia Signal Score
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Open source Open source alternatives to Postbox →
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About the startup
The Power Email App for busy professionals, like you.
Alternatives to Postbox
Browse category →Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.
| Product |
|---|
YouniqMailYour email (client). Your rules. Your privacy. No more compromises: the email client you control – customizable, private, modern. |
InboxSwipeReach inbox zero with intuitive swipe gestures |
MailVaultBack up your IMAP emails locally on macOS |
MeliaModern email client for Linux |
EmailEngine AppEmailEngine is an email client but for apps, not people. It connects to the user's email server, translates REST API requests from the app to IMAP and SMTP commands, and sends webhooks for changes like new or deleted ema |
MailConverterToolsMailConverterTools is a new name in the field of Email file Migration, email recovery and email backup. It provide you a software solutions programs to recover and migrate data from different file formats and email clien |
Temp Email NowGenerate disposable email inboxes instantly. Receive OTPs and verification emails with no login or tracking — fast, private, and free. |
ReplylessAI Email app that sends daily email briefs on Telegram |
Related products in Email & inbox management
Browse category →Selected by category and available use-case details. A topic match does not establish equivalent features.
| Product |
|---|
SendmuxEmail API for AI agents with inbox management and failover |
Canary MailPrivacy-aware email app for Mac & iOS |
Email ThisSave ad-free articles and web pages and articles to your email inbox for reading later. |
KondoLinkedIn Inbox Management Tool |
Oxid MailFast multi-account email client for Mac with Unified Inbox and zero subscriptions. |
SysBud MBOX to PST ConverterMBOX is a very lightweight and reliable utility to PST converter, which exports unlimited mailboxes from an MBOX based email client to Outlook PST format. |
Recently added in Email & inbox management
Browse category →Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.
Explore expertise in Productivity & Collaboration
See all →Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.
| Profile |
|---|
TechnomanagersIIM Bangalore & IIT Kanpur alumni are helping you land your dream career in Management or Technology. |
David AllenAmerican productivity consultant and author |
Shari OswaldMicrosoft MVP | MCT Alumni | Productivity and O365 Adoption Expert | Technology Evangelist | SharePoint Consultant | eLearning Author | International Speaker Microsoft MVP | MCT Alumni | Productivity… |
Media about Productivity & Collaboration
See all →Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.
| Show |
|---|
Thoughts from the Ivory BasementNewsletter · Günter Richter |
Top SaaS & AI ToolsYouTube · 130K subscribers |
Ai & SaaS LabYouTube · 10K subscribers |
Founder stories from Productivity & Collaboration startups
See all →Retold founder accounts from startups in the same category, each linked to the original.
| Story |
|---|
Buffer's first paying customer arrived four days after a seven-week buildJoel Gascoigne validated Buffer with a two-page landing flow, spent seven weeks of evenings and weekends on a minimal product, launched on 30 November 2010, and recorded a first paying customer within four days. |
Tibo stated sub-$2M ARR at sale and $6–7M later, not catalog $3.5MIn a January 2024 Bootstrapped Founder interview, Thibault Louis-Lucas did not quote a $10M sale price or $3.5M ARR; he said Lempire acquired them below $2M annual recurring revenue and that they were nearing $6–7M, with |
Tally's March 2024 letter is $100k MRR, not a $3M ARR stampMarie Martens wrote that Tally, launched in summer 2020 with Filip, hit $100k monthly recurring revenue in February 2024 with a bootstrapped team of three and more than 250,000 users; this record uses those founder label |
Ajay Goel priced GMass after a free year, not after an ARR headlineAjay Goel’s own GMass posts give send volume, user counts, and plan prices. In a later interview he described a $10,000 first build, a free first year, and $10,000 to $20,000 a month after the paywall. He did not state $ |
Browse Productivity & Collaboration categories
See all →Subcategories in the same part of the directory, with the number of listed products.
| Category |
|---|
Project & task management4,060 listed products |
Time tracking & focus2,858 listed products |
Search, browsers & utilities2,611 listed products |
Notes & knowledge management2,090 listed products |
Documents & PDF1,677 listed products |
File storage & transfer1,068 listed products |
Meetings & team communication871 listed products |
Whiteboards & mind maps550 listed products |



