After a post on Twitter from Dannychoo regarding web site uptime monitoring systems, I thought I’d make a list of all the ones I know of, the services they offer and their pricing for future reference.
| Service | Found via | Highest check frequency | Monitor nodes | Features | Monthly 1 minute keyword HTTP checks | Monthly 10 minute keyword HTTP checks | Alerts | |||||||||||||
| Keyword checking | Unwanted text checking | Basic Auth | POP3 SMTP IMAP | On server monitors | 1 sites | 5 sites | 10 sites | 1 sites | 5 sites | 10 sites | SMS | Phone | HTTP RPC | ICQ/MSN/AOL/Yahoo | RSS | |||||
| Wormly | @pukupi | 1 minute | 6 | Yes | Yes | Yes | Yes | Optional, Free | $19 | $19 | $39 | $19 | $19 | $39 | 40 Free ($0.18 subsequent) | $0.40 per call | Free | Free | ICQ + MSN | No |
| Mon.Itor.Us | 5 minutes | Unknown | No | No | No | Yes | Optional Free | n/a | n/a | n/a | Free (ad supported) | Free (ad supported) | Free (ad supported) | No | No | Yes | No | No | No | |
| Pingdom | 1 minute | Unknown | Yes | Yes | Yes | No | $9.95 | $9.95 | $12.45 | $9.95 | $9.95 | $12.45 | 20 Free ($0.45 for next 20) | No | Yes | No | No | No | ||
| Pingdom Gigrib | 1 minute | Unknown | No | No | No | No | No | Free (community supported) | Free (community supported) | Free (community supported) | Free (community supported) | Free (community supported) | Free (community supported) | No | No | Yes | No | No | No | |
| Montastic | @tamir | 10 minutes | 2 | No | No | No | No | No | n/a | n/a | n/a | Free | Free | Free | No | No | Yes | No | No | Yes |
| Host Tracker | 1 minute | 66 | Yes | No | No | No | No | $29.99 | $29.99 | $29.99 | $4.99 | $4.99 | $29.99 | 10 Free (additional depend on network) | No | Yes | No | No | No | |
| Gomez | @lennysan | 1 minute | 80 | Unknown | Unknown | Unknown | Unknown | Unknown | No pricing on site | No pricing on site | No pricing on site | No pricing on site | No pricing on site | No pricing on site | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
| Webmetrics | @lennysan | Unknown | 95 | Unknown | Unknown | Unknown | Unknown | Optional | No pricing on site | No pricing on site | No pricing on site | No pricing on site | No pricing on site | No pricing on site | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
| Keynote | @lennysan | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | Unknown | No pricing on site | No pricing on site | No pricing on site | No pricing on site | No pricing on site | No pricing on site | Yes | No | Yes | No | No | No |
| Monitis | 1 minute | 5 | Yes | No | No | Yes | Optional, Free | $2.50 | $12.50 | $25 | $1.50 | $7.50 | $15 | $0.20 | No | Yes | No | Yes | Yes | |
| Site24x7 | 1 minute | 14 | Yes | Yes | Yes | $14 for 15 minute checks | No | $12 | $60 | $120 | $3 | $15 | $30 | Yes | No | Yes | No | No | Yes | |
| Alertra | 1 minute | 11 | Yes | No | No | Yes | No | $144.00 | $720.00 | $1440.00 | $17.10 | $85.50 | $171.00 | $0.19 | $0.29 | Yes | No | MSN+Yahoo | No | |
| Hyperspin | 1 minute | 14 | Yes | No | No | Yes | No | $12 | $54 | $102 | $2.50 | $12.50 | $23.75 | $0.20 | No | Yes | No | No | No | |
| WebsiteHawk | Joe McDonald | 1 minute | 2 | Yes | Yes | Yes | Yes | No | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Yes | No | Yes | No | No | No |
| Panopta | Steve | 1 minute | 20 | No | No | No | Yes | No | $15 | $15 | $15 | $15 | $15 | $15 | $0.20 (20 free) on $15 plan Unlimited free otherwise |
Yes | Yes | No | “Coming soon” | No |
| IP Patrol | 1 minute | 5 | Yes | Yes | Yes | Yes | No | £50 | £250 | £500 | £7.40 | £37.00 | £74.00 | 10p | No | Yes | No | No | No | |
| Specto | @mrtorrent | Runs on Linux and provides monitoring of local and remote sites | ||||||||||||||||||
Sorry, I know the table isn’t exactly pretty, but it was only meant to be a 20 minute piece of work compiling the information and formatting it…