more context links

Author: bcomnes

README.md

@@ -13,3 +13,6 @@ npm install random-access-http
 - [bittorrent.org/beps/bep_0019 WebSeed - HTTP/FTP Seeding (GetRight style)](http://www.bittorrent.org/beps/bep_0019.html)
 - [bittorrent.org/beps/bep_0017 HTTP Seeding (Hoffman-style)](http://www.bittorrent.org/beps/bep_0017.html)
 - [RFC2616 14.35.1 Byte Ranges](http://tools.ietf.org/html/rfc2616#section-14.35)
+- [random-access-file](https://github.com/mafintosh/random-access-file)
+- [random-access-memory](https://github.com/mafintosh/random-access-memory)
+- [hypercore](https://github.com/mafintosh/hypercore)