Alternatives

Products that do what Crystal – The biggest improvement to email since spell-check does

1SA
Screenr – Automated Workflow for Your Email▲118
2020 · feval.ca
2SE
Signal – Edit emails in your Gmail inbox▲151
2013 · trysignal.com
3
Complete▲149
Compose email 2x faster
2015
4GA
Glider, a better email client▲81
2012 · glider.io
5PE
Plain Email – An app for one-touch email processing▲322
2016 · plainemail.com
6HS
Heimdall – Self-managed email alias/forwarding service▲130
2020 · github.com
7CU
Cypht – Unique Open Source Webmail▲110
2016 · cypht.org
8UY
Userfox (YC S11) — Better Welcome Emails▲100
2012 · userfox.com
9PM
Planleaf – Manage tasks completely over email▲76
2014 · planleaf.com
10CE
Candymail – Email Automation for Node.js▲86
2020 · saasbase.dev
11SO
Switchboard – open-source email processing in Erlang▲92
2014 · switchboard.spatch.co
12
Seer▲98
Making emails actionable.
2014
13
MailMentor▲162
A data driven approach to writing better email
2015
14FM
Flute – my attempt at a better email API▲40
2018 · flutemail.com
15
Better BCC'd▲113
Make replying to intro emails super simple.
2014
16
Switchboard▲99
Open-source email processing built in Erlang
2014
17MA
MailSlayer - An App Platform for Gmail that makes email awesome again▲16
2011 · mailslayer.com
18ES
email - Send emails easily in Go▲69
2014 · github.com
19ST
Simple translation by email▲59
2014 · blog.unbabel.com
20YE
Your Email Assistant in the Cloud▲22
2012 · tray.io
21EP
Easily publish an email conversation to the web▲52
2012 · beta.thread.is
22EA
Emaildrop – a free disposable email service with a GraphQL API▲35
2019 · emaildrop.io
23CB
Contentful-based email content editor▲28
2016 · github.com
24DE
Deep Email Validator▲51
2020 · github.com

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