head to head · open source
Seal-Report vs Impler
Seal-Report has 1,642 GitHub stars, 508 forks, 21 open issues and last shipped 2 days ago. Impler has 294 stars, 58 forks, 26 open issues and last shipped 2 months ago. Seal-Report leads on adoption by 459% (1,642 vs 294 stars). Seal-Report is written in C# under MIT; Impler is written in TypeScript under MIT. Seal-Report has attracted 31% as many forks as stars, Impler 20%. Seal-Report was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (mongodb), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Seal-Report | Impler | |
|---|---|---|
| GitHub stars | ★ 1.6K | ★ 294 |
| License | MIT | MIT |
| Written in | C# | TypeScript |
| Last push | 2026-11-03 | 2026-09-01 |
| Forks | ⑂ 508 | ⑂ 58 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Seal-Report if
- You weight community size — 1.6K stars and counting
- You want the MIT license terms
- Your stack matches C#
- You value the larger contributor base for long-term maintenance
pick Impler if
- You want the Impler feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Impler fits your workflow better
About Seal-Report
Seal Report & Task Seal Report & Task is a complete open source framework for producing reports from any database or NoSQL source, and for performing complex tasks (ETL, batch). Entirely written in C for Microsoft .NET, and free for everyone under the MIT License . The product focuses on easy installation and report design : once set up, reports can be built and published in a minute. Web site & quick start guides : sealreport.org Live demo of the Web Report Server: sealreport.org/demo Free support & community : GitHub Discussions Main Features Dynamic SQL sources : Use your own SQL, or let the Seal engine build…
read the full Seal-Report overview →
About Impler
Readymade and scalable data import experience for developers👩💻 Simple and intuitive way to onboard users data via guided import widget Explore the docs » See it first hand · Meet the team · Report Bug · Request Feature 🤔 Why Impler? Impler provides embeddable, scalable, and readymade data import experience in products. With Impler you don't need to worry about building and managing complex architecture for importing customers' data. Just integrate impler with few easy steps and the data import experience will be ready in just a few minutes. ✨ Features 🕸️ Guided and responsive data import widget ☠️ Static…
read the full Impler overview →
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Frequently asked questions
Is Seal-Report or Impler more popular?
Seal-Report has 1,642 GitHub stars and Impler has 294. Seal-Report has the larger community by that measure.
Are Seal-Report and Impler free?
Both are open source. Seal-Report is licensed under MIT and Impler under MIT. Neither carries a licence fee.
What is the difference between Seal-Report and Impler?
Seal-Report is written in C# and Impler in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Seal-Report or Impler?
Choose Seal-Report if you want the larger community (1,642 stars) or its MIT licence terms. Choose Impler if its feature set, stack or MIT licence fits better. Both are self-hostable.