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Nextcloud is an open source, self-hosted file share and communication platform.
A privacy-respecting, hackable metasearch engine.
Kimai is a free open source timetracker.
Paperless-ngx is a document management system that transforms your physical documents into a searchable online archive so you can keep, well, less paper.
The UniFi® Controller software is a powerful, enterprise wireless software engine ideal for high-density client deployments requiring low latency and high uptime performance.