The best replacement for eigrp is ospf.

The best alternatives to eigrp are rated as following:
★★★★★  ospf
★★★★★  rip
★★★★  bgp
★★★★  igrp
★★  ospf comparison
★★  ripv2
★  eigrp stub
★  static routing
★  ospf convergence time
  ospf convergence

Your alternative for eigrp is not listed? Suggest!
Speaking about eigrp, one probably shouldn't forget about hsrp.

Other search terms related to eigrp and their ratings are:
★★★★★ hsrp
★★★★ bgp
★★★★ static routes
★★★★ ipv6
★★★ frame relay
★★★ vrf
★★★ dmvpn
★★ bfd
★★ default route
★ md5 authentication
★ mpls
★ pbr
You have in mind a companion for eigrp and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of eigrp in all years. Click on graph for more.
eigrp
ospf
rip