
Drag for Gmail
Sortd
Flow-e
Gmelius
Kanmail
HEY
Polymail
A Kanban board for your emails.

LinearB
Swarmia
Jellyfish.ai
Waydev
Sleuth
GitPrime
WakaTime
DevPerform turns your GitHub data into delivery metrics, team-health signals, engagement surveys, and AI insights — see what's slow and why, in one place.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | kanbanmail.app | devperform.io |
| Pricing | ||
| Platforms | — | |
| Company | 2018 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


KanbanMail takes your inbox from a confusing mess and turns it into a clear action plan!
DevPerform is engineering intelligence for engineering leaders: delivery metrics and developer sentiment in one product, so when a number moves you can ask the team about it and see both answers side by side. Connect GitHub, GitLab, or Bitbucket and DevPerform computes DORA metrics, phased cycle...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
KanbanMail is recommended for users who are already using or are interested in Kanban-style task management. It is particularly suited for professionals, project managers, or anyone who manages a high volume of emails and prefers a more structured, visual approach to email organization. It may also appeal to users seeking an innovative way to handle their emails beyond conventional email clients.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
KanbanMail – A Kanban Board for your emails
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing KanbanMail and DevPerform.
DevPerform's answer:
Engineering leaders — VPs, directors, and team leads — at software teams of any size, from a small startup to a large enterprise. DevPerform is self-serve, so small teams can start in minutes, and it scales to large orgs and monorepos without agents or CI changes. Any company building software on GitHub, GitLab, or Bitbucket is a fit.
DevPerform's answer:
DevPerform was built by engineers who kept seeing the same gap: delivery dashboards that flag a slow week but can't explain it, and engagement surveys nobody acts on. Putting the two in one loop — number moves, team explains, leadership commits, next survey shows the follow-through — turned out to be the product. Launched in 2026, bootstrapped and self-serve from day one.
DevPerform's answer:
DevPerform pairs delivery metrics (DORA, cycle time, review health) with anonymous developer surveys in one product. Metrics tell you what is slow; surveys tell you why — and when a number moves you see both side by side, then close the loop: mark a survey dimension as a focus area, set a goal on it, and the next wave shows whether it worked.
DevPerform's answer:
It's self-serve end to end where most of this category is sales-led: an instant demo with no signup, a free public repo benchmark, public pricing from $0, and a 14-day Pro trial with no credit card. Setup reads your GitHub, GitLab, or Bitbucket metadata directly — no agents on developer machines, no CI changes — and everything ships on two public tiers with no seat minimums or annual-only contracts.
DevPerform's answer:
React + TypeScript frontend, Python (FastAPI) backend, PostgreSQL, deployed on Kubernetes. Data comes from the GitHub, GitLab, and Bitbucket APIs — repository metadata only; source code is never stored.
Share your experience with using KanbanMail and DevPerform. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


KanbanMail has gone through lots of improvements and optimizations throughout the last year. If you are looking for a way to optimize your email workflow, you should give it go.
We have no reviews of DevPerform yet. Be the first one to post
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