A curated list of awesome SCION tools, applications, libraries and resources.

Symbol legend

• 🔧: Experimental
• 🚧: Under construction
• 🧹: Outdated/discontinued/unclear

• scionproto/scion - The open-source implementation of SCION.
• Anapaya - Vendor of SCION infrastructure, both based on the open-source implementation and proprietary.
• scion-ca - SCION Control Plane PKI implementation based on smallstep/step-ca.
• bootstrapper - SCION endhost autoconfiguration tool.
• tofino-scion-br - SCION border router in P4 with support for AES accelerators. 🔧
• eXpress SCION Router (XSR) - A SCION border router making use of XDP and P4. 🔧 🚧

• scion-apps - Miscellaneous SCION demo applications.
• scion-browser-extension - SCION support for Chrome/Firefox (docs). 🔧
• bittorrent-over-scion - Path-aware BitTorrent client running on SCION.
• spate - Multipath traffic generator and bandwidth tester. 🔧
• hercules - High speed bulk data transfer application. 🔧
• ioq3-scion - Quake III with SCION networking. 💥
• nats-server - NATS server with SCION networking. 🔧 🚧
• nats-client - Simple NATS client for SCION Enabled NATS servers. 🔧 🚧

• scion-apps/pkg/pan - Policy-based, path aware network library for building applications supporting SCION natively.
• scion-apps/pkg/shttp - Glue to use the standard net/http libraries for HTTP with SCION, using pan.
• scion-apps/pkg/shttp3 - Glue to use quic-go/http3 libraries for HTTP/3 with SCION, using pan.
• parts - Path-aware Reliable Transport over SCION. 🔧
• scion-path-discovery - Multipath library for SCION.
• snet - Primary, but low-ish-level level library for native SCION applications.

• scion-java-client - Java SCION application library. 🚧

• 🦞 - Rust SCION application library. Work in progress, not yet public. 🚧

• pan-bindings - C, C++, and Python bindings for pan.
• pan-lua - Lua-scriptable path selector interface to pan.

• ISD and AS Assignments - Assigned ISD and AS numbers¹.
• SSFN - Swiss Secure Finance Network, a closed network using SCION.
• Scion Education Network - SCION network connecting universities and national research and education networks (NRENs).
• SCIONLab - Global SCION network testbed.
• SCI-ED - SCION at various institutions of the ETH Domain. 🧹
• swissix SCION peering - SCION peering mesh at the swissix internet exchange.

• SEED Emulator - SEED Security Labs network emulator supports SCION.
• scapy-scion-int - Scapy layers for SCION.
• tofino-pktgen - SCION packet generator for Intel Tofino 2 switches.

• draft-dekater-panrg-scion-overview
• draft-rustignoli-panrg-scion-components
• draft-dekater-scion-pki
• draft-dekater-scion-controlplane
• draft-dekater-scion-dataplane

• Publications list
• LightningFilter - High-speed traffic filtering mechanism that performs authentication, rate limiting, and duplicate detection.

_{[1]: ISD and AS numbers assignments are currently managed by Anapaya. This will be handed over to a vendor-neutral governance body, like the regional internet registries or the SCION Association, as soon as possible.}