Work · alternatives · 2026

24 alternatives to ClearSign

Kill the Slack/email bottleneck with 1-click team approvals.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Clear for Slack▲300
Clear messages get answered quicker
Jan 2026 · installclear.com · its alternatives →
2
Workflows by Approveit▲263
Manage your team's approval workflows in Slack
2021 · approveit.today · its alternatives →
3
Approveit 2.0▲198
Faster approvals for teams that love Slack
2021 · approveit.today · its alternatives →
4
Frictionless Signup by Segment & Clearbit▲299
Magically autofill forms and improve conversions
2016 · twilio.com · its alternatives →
5
Clears▲376
Move beyond AI coding to Agentic Software Delivery
Aug 2026 · clears.ai · its alternatives →
6
Approveit▲217
Vendor contract management & bill approval in Slack/MS Teams
2023 · approveit.today · its alternatives →
7
Approvals▲62
An approval and access tracking bot for Slack.
2020 · its alternatives →
8
Approveit 3.0▲400
Automate expense approvals in Slack and email
2022 · approveit.today · its alternatives →
9
Clarity▲336
The simplest workspace for remote teams
2021 · its alternatives →
10
ClearFeed▲510
Convert multiple Slack channels into a shared Inbox
2023 · clearfeed.ai · its alternatives →
11
Approveit - Approvals for Slack▲204
Get approvals in minutes, not days. Right from Slack!
2020 · approveit.today · its alternatives →
12
Cleariest▲18
Open team communication. Less friction, more flow
Jan 2026 · cleariest.com · its alternatives →
13
Approved▲113
The better way to get approvals, right inside of Slack
2020 · approvedapp.io · its alternatives →
14
Clearout 2.0▲103
98%+ accurate real-time & bulk email verification services
2020 · clearout.io · its alternatives →
15
Mo▲96
Checks PRs against decisions your team approved in Slack
Apr 2026 · hey-mo.io · its alternatives →
16
SignOff▲89
Sign off marketing ideas faster, inside Slack ⚡
2020 · ventureharbour.com · its alternatives →
17
Trustbot for NDAs▲77
Faster, better NDA handling for teams with free e-signing
2019 · trustbot.io · its alternatives →
18
ProofCafe▲61
Review collaboration and approval tool for creative teams
2018 · proofcafe.com · its alternatives →
19
Approvals 2.0▲61
Approvals in Slack without the hassle
2022 · info.approvalbot.com · its alternatives →
20
Pastel for Email Review▲80
Review and approve marketing emails faster
2022 · usepastel.com · its alternatives →
21LT
Linen.team – A lightweight, thread-first Slack alternative▲124
Hi HN! I'm Kam, the founder and one of the authors of Linen. Today, we are launching Linen.team (https://linen.team/), a lightweight threaded messaging app for your team. Modern workplace messaging apps (like Slack) are based on IRC, which is great for small groups, but as it scales, breaks down quickly: you either get overwhelmed by notifications or you have to turn them all off. Most chat apps have threads tacked on but aren't built from the ground up with this design in mind. We wanted to create a thread-first experience where you can organize and prioritize conversations…
2024 · its alternatives →
22
ClearFlask▲86
Open-source product feedback & public roadmap platform
2021 · clearflask.com · its alternatives →
23
TeamChecklist▲80
Create checklists. Assign tasks to your team. In Slack.
2018 · teamassist.ai · its alternatives →
24
Decision Jam▲92
Make better decisions quickly with your team
2018 · decisionjam.com · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →