Until I met MikroTik, its not a freeware, but it costs very little for what it can do ($45), I've been using it since to help low budget IT departments have professional grade routing.
| Level number | 0 (Demo mode) | 1 (Free) | 3 (WISP CPE) | 4 (WISP) | 5 (WISP) | 6 (Controller) |
| Price | no key | registration required | volume only | $45 | $95 | $250 |
| Upgradable To | - | no upgrades | ROS v6.x | ROS v6.x | ROS v7.x | ROS v7.x |
| Initial Config Support | - | - | - | 15 days | 30 days | 30 days |
| Wireless AP | 24h trial | - | - | yes | yes | yes |
| Wireless Client and Bridge | 24h trial | - | yes | yes | yes | yes |
| RIP, OSPF, BGP protocols | 24h trial | - | yes(*) | yes | yes | yes |
| EoIP tunnels | 24h trial | 1 | unlimited | unlimited | unlimited | unlimited |
| PPPoE tunnels | 24h trial | 1 | 200 | 200 | 500 | unlimited |
| PPTP tunnels | 24h trial | 1 | 200 | 200 | 500 | unlimited |
| L2TP tunnels | 24h trial | 1 | 200 | 200 | 500 | unlimited |
| OVPN tunnels | 24h trial | 1 | 200 | 200 | unlimited | unlimited |
| VLAN interfaces | 24h trial | 1 | unlimited | unlimited | unlimited | unlimited |
| HotSpot active users | 24h trial | 1 | 1 | 200 | 500 | unlimited |
| RADIUS client | 24h trial | - | yes | yes | yes | yes |
| Queues | 24h trial | 1 | unlimited | unlimited | unlimited | unlimited |
| Web proxy | 24h trial | - | yes | yes | yes | yes |
| User manager active sessions | 24h trial | 1 | 10 | 20 | 50 | Unlimited |
| Number of KVM guests | none | 1 | Unlimited | Unlimited | Unlimited | Unlimited |
They also have appliances, take a look at their website.
I do not get percentages, but I did went through one of their courses in Florida at 2005.