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Get a Quote
|Non-GPL licensing for commercial use with closed source software|
|Perpetual license (one-time fee)|
|Delivery & Service|
|Source code & Doxygen documentation|
+ PDF user manual describing the core of the TCP/IP stack
|Warranty & IP infringement protection|
|12-month Support & Update Agreement (technical support, software updates, update notifications, migration guide, bug & security fixing)|
|Core of the IPv4 Stack|
|ARP, IPv4, ICMP, IGMPv2, IP fragmentation and reassembly, UDP, TCP, BSD sockets, Auto-IP, DHCP client, Host name resolution (DNS, mDNS, NetBIOS, LLMNR), VLAN (802.1q), TFTP client & server, Pcap driver to run the stack on Windows / Linux|
|Advanced Features & Application Protocols|
|DNS-SD, DHCP server, FTP client & server, HTTP client (REST API) & server, SMTP client, SNTP client, SNMPv1 / SNMPv2c / SNMPv3 agent, WebSocket client & server, MQTT client, MQTT-SN client, CoAP client & server, Modbus/TCP client & server|
|IPv6, NDP, ICMPv6, MLDv1, SLAAC, DHCPv6 client & relay agent|
CycloneTCP Commercial License
For proprietary developments
CycloneTCP Lite includes all the core features of the IPv4 stack but does not provide any application protocols. This version targets developers who only need access to sockets and basic protocols (DHCP client, DNS and TFTP).
CycloneTCP Pro is a full-featured IPv4 stack that comes with a full set of application protocols such as TFTP, FTP, HTTP, WebSocket, MQTT, MQTT-SN, CoAP, SMTP, SNTP, SNMP v1/v2c/v3 and Modbus/TCP.
CycloneTCP Ultimate is a full-featured dual stack (IPv4 and/or IPv6). This version includes application protocols such as TFTP, FTP, HTTP, WebSocket, MQTT, MQTT-SN, CoAP, SMTP, SNTP, SNMP v1/v2c/v3 and Modbus/TCP.
Choose our Commercial License for:
If you develop proprietary commercial applications with closed source, use of a Commercial License is required.
You will have access to priority technical support with software maintenance for updates & security patches.
This license gives the right to develop and modify our software to embed it in your commercial products.
We guarantee that 100% of our commercial software packages have been developed in-house.
Our customers are entitled to fair pricing for custom connectivity related software development or expertise.
All our standard Commercial Licenses are royalty-free licenses (one-time license fee), making licensing easier.