Industry guide · 2026
Most reliable software for back office & professional services
Meetings drop, phones stop ringing, contracts can't be signed and staff can't clock in until service returns. We rank 76 vendors across 9 categories used by offices, teams and professional firms, by how often they fail, how long outages last and how honestly they report them.
Most reliable appointment scheduling software
13 vendors ranked by real-world reliability
- 1. Calendly · 100%100.0
- 2. Doodle · 100%100.0
- 3. SavvyCal · 100%100.0
- 4. Sign In Scheduling (formerly 10to8) · 100%100.0
- 5. YouCanBookMe · 100%100.0
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Most reliable business phone systems
16 vendors ranked by real-world reliability
- 1. Grasshopper · 99.96%94.6
- 2. JustCall · 99.96%93.4
- 3. CloudTalk · 99.91%89.6
- 4. GoTo Connect · 99.87%87.9
- 5. Quo (formerly OpenPhone) · 99.83%83.4
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Most reliable childcare management software
13 vendors ranked by real-world reliability
- 1. Brightwheel · 100%100.0
- 2. Famly · 100%100.0
- 3. Procare · 99.77%64.6
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Most reliable e-signature software
14 vendors ranked by real-world reliability
- 1. BoldSign · 100%100.0
- 2. Juro · 100%100.0
- 3. Signeasy · 100%100.0
- 4. SignWell · 100%100.0
- 5. SignNow · 99.99%98.9
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Most reliable employee scheduling software
14 vendors ranked by real-world reliability
- 1. Buddy Punch · 100%100.0
- 2. Connecteam · 100%100.0
- 3. QuickBooks Time · 100%100.0
- 4. Shiftboard · 100%100.0
- 5. Homebase · 99.99%96.9
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Most reliable legal practice management software
16 vendors ranked by real-world reliability
- 1. MyCase · 99.97%92.6
- 2. Clio · 99.88%87.0
- 3. Actionstep · 99.88%86.8
- 4. Smokeball · 99.76%80.0
- 5. Litify · 98.87%57.2
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Most reliable project management software
16 vendors ranked by real-world reliability
- 1. Teamwork.com · 100%98.8
- 2. Hive · 99.96%92.7
- 3. Linear · 99.92%89.1
- 4. monday.com · 99.86%86.1
- 5. Asana · 99.80%81.4
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Most reliable team chat apps
16 vendors ranked by real-world reliability
- 1. Element · 100%100.0
- 2. Flock · 100%100.0
- 3. Mattermost · 100%100.0
- 4. Twist · 100%100.0
- 5. Zulip · 100%100.0
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Most reliable video conferencing platforms
12 vendors ranked by real-world reliability
- 1. Google Meet · 100%100.0
- 2. Livestorm · 99.99%98.1
- 3. Whereby · 99.95%93.8
- 4. GoTo Meeting · 99.94%92.1
- 5. Webex Meetings · 100%87.6
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Most reliable vendors in back office & professional services
| # | Vendor | Score | Uptime (90d) |
|---|---|---|---|
| 1 | Calendly | 100.0 | 100% |
| 2 | Doodle | 100.0 | 100% |
| 3 | SavvyCal | 100.0 | 100% |
| 4 | Sign In Scheduling (formerly 10to8) | 100.0 | 100% |
| 5 | YouCanBookMe | 100.0 | 100% |
| 6 | Brightwheel | 100.0 | 100% |
| 7 | Famly | 100.0 | 100% |
| 8 | BoldSign | 100.0 | 100% |
| 9 | Juro | 100.0 | 100% |
| 10 | Signeasy | 100.0 | 100% |
Latest incidents in back office & professional services
Affected: Web, Punch Clock, Mobile App - iOS, Mobile App - Android, Mobile Kiosk App, Open API +1 more
Some users may not be receiving login verification code and password reset emails (Incident 6112)
Affected: NA3, NA1, NA4, NA2
Affected: US Region – Linear application, EU Region – Linear application, US Region – Linear API, EU Region – Linear API