OpenNOP vs Resilio Active Everywhere

OpenNOP is a free, GPLv3 open-source Linux network accelerator for point-to-point, partially meshed, and full-meshed IP networks. Its stated aim is improving performance on low-speed links such as ISDN, DSL, DS1, frame-relay, and VPN circuits. Implemented functionality includes LZ compression of TCP segment payloads and peer discovery through custom TCP options added to IP packets. A heartbeat between the user-space daemon and kernel module lets the module switch to bypass mode. The manual describes inline deployment and out-of-line deployment with policy-based routing. A prebuilt appliance image is identified as the easiest installation option. Custom Linux hosts require libnfnetlink, libnetfilter_queue, and libnl, and the manual says any Linux distribution should work. The project is self-hosted, with hybrid deployment listed, and system administrators are its intended audience using a command-line interface. Features marked todo include block-based data reduction, a WCCPv2 client, CLI configuration and statistics, and a web interface. SourceForge labels the project Alpha and lists its last update as 2015-12-28.

Resilio Active Everywhere gives organizations access to file data across data centers, cloud storage, and edge networks. It uses peer-to-peer synchronization and supports continuous replication, multi-site replication, and failover orchestration in hybrid deployments. File streaming retrieves requested portions of large files on demand, while distributed file locking enforces exclusive access among agents in a job and supports offline use. The hybrid cloud offering connects on-premises storage with AWS, Microsoft Azure, and Google Cloud. One management console makes file data available through NFS, SMB, and Amazon S3 protocols. A REST API supports job automation, agent control, and workflow integration. Resilio says transfers can reach up to ten times the speed of conventional replication software and describes end-to-end AES-256 encryption, perfect forward secrecy, and routing around network or node failures. Agents are available for Windows, macOS, Linux, NAS devices, and Android. Pricing is on request and based on the number of devices or endpoints, not data volume or transfer usage; a free trial is available.