Introduction. What is Pleasanter?
Pleasanter is an OSS no-code/low-code development tool. It allows you to quickly create business applications with simple operations, so you can respond immediately to changes in business. It has a wide range of "[Developer Function](/en/manual/dev)" that allow you to flexibly link with existing systems. Additionally, it features powerful "[Script](/en/manual/table-management-script)" functions and an "[API](https://pleasanter.org/en/manual/api)" providing robust extensibility. You can create your business applications faster and easier than from scratch!
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At the ITreview Grid Awards, it won the highest rank of LEADER in the low-code development tool and no-code web database category for five consecutive terms.
## Introduce user reviews
Here are some of the review comments we received from our users.
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<a href="/redirects/itreview-pleasanter-top" rel="noopener noreferrer" data-gtm-click="man-top-ITreview202305">Read other user reviews (ITreview website)</a> (Japanese text only)
## Is it really free to use?
Pleasanter is a free OSS. There are no restrictions on functionality, number of users, or number of sites. For more information, please see below.
[Frequently Asked Questions before installing Pleasanter](/introduction_faq) (Japanese text only)
## Basic operation method
Pleasanter is a no-code/low-code development tool that allows you to quickly and easily create business applications, but you may not know where to start at first. We have published a basic operation guide and an application creation guide so that you can understand the basic application creation process step by step. In the application creation guide, you can experience creating a simple project management application.
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<center>Introduction to Pleasanter (functional demo) Approximately 20 minutes (* Click on the image to load the video playback screen)<br>
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▶ [Demo environment that can be tried for 60 days](https://demo.pleasanter.org/)
▶ [Basic operation guide](https://pleasanter.org/manual?category=0190)
▶ [Application creation guide](https://pleasanter.org/downloads/hands-on1.pdf) (Japanese text only)
## Support Services
The Community Edition can be used for free forever, but if you need product support, you can use the paid annual support service. In addition, you can use training, consulting, and implementation support for developers.
[Introducing our support services](/support) (Japanese text only)
## Enterprise Edition
In the Community Edition, you can place up to 26 columns from A to Z, but by using the Enterprise Edition, you can expand the number of columns up to about 900. *To use the Enterprise Edition, you need to sign an annual support service contract.
[Introduction to the Enterprise Edition](/enterprise) (Japanese text only)
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<dt class="community-dt">Community Edition</dt>
<dd class="ed-txt">The open-source version of Pleasanter supports six types of data columns: <br>
There are 26 of these data columns, from A to Z, for a total of 6 types x 26 = 156 data columns available.
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<dd class="ed-txt">In most cases, 156 data columns is sufficient, but if you have more than 27 data columns of the same type,
If you would like to use this, as a benefit of using the Enterprise Edition, you will be able to increase the number of data columns to a total of 900 across 6 types.
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## Download
The Community Edition is free to download and use. Please download it from the following page:
[GitHub release notes](https://github.com/Implem/Implem.Pleasanter/releases)
## Contact Us
For inquiries about Pleasanter and various services, please contact us below.
[Contact us | Implem Inc.](https://pleasanter.org/contact/) (Japanese text only)