Hi Community! This is the update on what are the new applications submitted on [OpenExchange](http://openexchange.intersystems.com/) in March 2019 **New Applications** [isc-tar](https://openexchange.intersystems.com/package/isc-tar)  published by @Dmitry.Maslennikov  _Compact files as TAR or Extract files from TAR files_ <a _ngcontent-c4="" href="https://openexchange.intersystems.com/package/Light-weight-EXCEL-download">Light weight EXCEL download v.1.0</a> published by @Robert.Cemper  _This is the working example of a_ _light weight_ _export to EXCEL based on data in SAMPLES namespace. Good old CSP is well equipped to produce HTML tables accepted from EXCEL as input. With modern_ _Browsers_ _you don't even need and tags. So the required code around your SQL result set is really slim. And you are free to add any formatting you need either by HTML or in SQL._ <a _ngcontent-c4="" href="https://openexchange.intersystems.com/package/PythonGateway">PythonGateway v.0.7</a> published by @Eduard.Lebedyuk  _Python Gateway for InterSystems Data Platforms._ <a _ngcontent-c4="" href="https://openexchange.intersystems.com/package/Adopted-Bitmaps">Adopted Bitmaps v.1.0</a> published by @Robert.Cemper  _This is a running example of the Bitmap Adoption_ <a _ngcontent-c4="" href="https://openexchange.intersystems.com/package/WebSockets-Tutorial">WebSockets Tutorial v.1.0</a> published by @Lily.Taub  _A short tutorial on WebSockets in InterSystems IRIS 2018.1+ and Caché 2016.2+_ <a _ngcontent-c4="" href="https://openexchange.intersystems.com/package/Sync-Data-with-DSTIME">Sync Data with DSTIME v.1.0.0</a> published by @Robert.Cemper _Other Sync-Tools just work from Caché/IRIS to Caché/IRIS. Synchronizing your data to some external DB you requires some other solution. DSTIME can do_ it. <a _ngcontent-c4="" href="https://openexchange.intersystems.com/package/HL7-and-SMS-Interoperability-Demo">HL7 and SMS Interoperability Demo v.1.3</a> published by @Amir.Samary  _This demo shows how easy it is to integrate an Electronic Medical Record system that is sending HL7 messages with AWS._ ![<--break->](/sites/all/modules/contrib/wysiwyg/plugins/break/images/spacer.gif "<--break-->") ​​​​​​**General stats** Total applications: 119 ![](/sites/default/files/inline/images/images/ScreenshotB.jpg) **Downloads  by months:** ![](/sites/default/files/inline/images/images/ScreenshotA.jpg) **The most popular apps in March 2019 by downloads** [![](/sites/default/files/inline/images/images/Screenshot%202019-04-03%2012_41_58.jpg)](https://openexchange.intersystems.com) Please, check the [March 2019 kanban ](https://github.com/intersystems-community/openexchange/projects/3)and submit your feature requests! And submit your apps on InterSystems Data Platforms to [Open Exchange](https://openexchange.intersystems.com)! [Also check Open Exchange February 2019 digest](https://community.intersystems.com/post/intersystems-open-exchange-digest-january-and-february-2019)