3 of those 4 still apply to Elasticsearch. Mongo, another example has the same license and loads of docs freely available. You can still hire devs to add any mi

3 of those 4 still apply to Elasticsearch. Mongo, another example has the same license and loads of docs freely available. You can still hire devs to add any missing features to Mongo (albeit you will have to fork it). You can still view their issues in GitHub too