Add licenses

README.md

@@ -1,9 +1,9 @@
 # Open-Source Alternatives to Meetup
 
-- [Agorakit](https://agorakit.org/) ([Source](https://github.com/philippejadin/agorakit)), *mature*, PHP
-- [attendize](https://www.attendize.com/) ([Source](https://github.com/Attendize/Attendize)), *mature*, PHP
-- Chapter by freeCodeCamp ([Source](https://github.com/freeCodeCamp/chapter)), *new*, JavaScript
-- [GetTogether](https://gettogether.community/) ([Source](https://github.com/GetTogetherComm/GetTogether)), *mature*, Python
-- [Mobilizon](https://joinmobilizon.org/en/) ([Source](https://framagit.org/framasoft/mobilizon/)), *in development*, Elixir
-- [on_ruby](https://www.onruby.eu/) ([Source](https://github.com/phoet/on_ruby)), *mature*, Ruby
-- Open Event (Source: [Frontend](https://github.com/fossasia/open-event-frontend), [Backend](https://github.com/fossasia/open-event-server)), *mature*, Python
+- [Agorakit](https://agorakit.org/) ([Source](https://github.com/philippejadin/agorakit)), *mature*, PHP, GPLv3
+- [attendize](https://www.attendize.com/) ([Source](https://github.com/Attendize/Attendize)), *mature*, PHP, Attribution Assurance License
+- Chapter by freeCodeCamp ([Source](https://github.com/freeCodeCamp/chapter)), *new*, JavaScript, BSD 3-Clause
+- [GetTogether](https://gettogether.community/) ([Source](https://github.com/GetTogetherComm/GetTogether)), *mature*, Python, BSD 2-Clause
+- [Mobilizon](https://joinmobilizon.org/en/) ([Source](https://framagit.org/framasoft/mobilizon/)), *in development*, Elixir, AGPL
+- [on_ruby](https://www.onruby.eu/) ([Source](https://github.com/phoet/on_ruby)), *mature*, Ruby, (extended) Beer-ware
+- Open Event (Source: [Frontend](https://github.com/fossasia/open-event-frontend), [Backend](https://github.com/fossasia/open-event-server)), *mature*, Python, Apache 2.0 & GPLv3