ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.
Zerto - Virtual replication & recovery solution
Xapian - Xapian is an open source probabilistic information retrieval library, released under the GNU...
Acronis Backup and Recovery - Acronis Backup is a data recovery solution that offers more ways of storing and recovering drives, folders and files as compared to other similar solutions.