No. It was a commercial product. Using it without a valid license violates copyright, even if the company no longer exists.
Janus Systems SA (the original vendor) discontinued active sales and support around 2017. The company no longer offers direct downloads. Therefore, finding the official installer requires navigating legacy software archives or verified developer repositories. Download Janus Winforms Controls Suite V4 54 8
The suite is anchored by several specialized controls that mirror the functionality found in Microsoft Office applications: Janus GridEX for .NET: Download Janus Winforms Controls Suite V4 54 8
, reputable third-party version control archives sometimes host the redistributable DLLs only (not the full designer installer). You can download the runtime binaries (Janus.Windows.GridEX.v4.dll, Janus.Windows.Common.v4.dll, etc.) from curated .NET component archives. Always verify the SHA-256 hash against known community tables. Download Janus Winforms Controls Suite V4 54 8