Add mosparo (#3553)

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -1297,6 +1297,7 @@ Software that does not fit in another section.
 - [MindsDB](https://github.com/mindsdb/mindsdb) - MindsDB is an open source self hosted AI layer for existing databases that allows you to effortlessly develop, train and deploy state-of-the-art machine learning models using standard queries. `GPL-3.0` `Python`
 - [MissionKontrol](https://www.missionkontrol.io) - Configurable admin panel allowing non-technical users to CRUD data on MySQL/PostGRES databases. ([Source Code](https://github.com/Mission-Kontrol/MissionKontrol-rails)) `AGPL-3.0` `Ruby`
 - [Monica](https://monicahq.com/) - Personal relationship manager, and a new kind of CRM to organize interactions with your friends and family. ([Source Code](https://github.com/monicahq/monica)) `AGPL-3.0` `PHP`
+- [mosparo](https://mosparo.io/) - The modern spam protection tool. It replaces other captcha methods with a simple and easy to use spam protection solution. ([Source Code](https://github.com/mosparo/mosparo)) `MIT` `PHP`
 - [Musical Artifacts](https://musical-artifacts.com/) - Helping to catalog, preserve and free the artifacts you need to produce music. ([Source Code](https://github.com/lfzawacki/musical-artifacts)) `MIT` `Ruby`
 - [MyPaas](https://github.com/almarklein/mypaas) - Run your own PaaS using Docker, Traefik, and great monitoring. `BSD-2-Clause` `Python/Docker`
 - [NATS](https://nats.io/) - Publish/Subscribe event bus, durable queues, key-value store, object store, and more. Native multi-tenancy, multiple authentication and authorization mechanisms. Easy to self-host and federate. ([Source Code](https://github.com/nats-io/nats-server), [Clients](https://github.com/nats-io)) `Apache-2.0` `Go`