400+ Free DevOps Tools & Resources Every Sysadmin Should Know

In 2014 Google indexed about 200 TB of data, which represented only 0.004 % of the entire Internet, highlighting the vast amount of information available online.

To reduce search difficulty and boost development efficiency, Morpheus Data has compiled a massive list of free resources useful for DevOps engineers and system administrators. The list below is a trimmed version; the full list can be accessed via the original article link.

CI / CD

codeship.com

https://codeship.com/

circleci.com

https://circleci.com/

travis-ci.org

http://wercker.com/

wercker.com

http://wercker.com/

drone.io

https://drone.io/

semaphoreci.com

https://semaphoreci.com/

shippable.com

https://app.shippable.com/

snap-ci.com

https://snap-ci.com/

appveyor.com

http://www.appveyor.com/

github.com

https://github.com/ligurio/Continuous-Integration-services

ftploy.com

https://www.deployhq.com/

deployhq.com

http://deploybot.com/

hub.jazz.net

https://hub.jazz.net/

ci.io

https://ci.io/

deploybot.com

http://deploybot.com/

bitrise.io

https://www.bitrise.io/

saucelabs.com

https://saucelabs.com/

Monitoring

happyapps.io

http://www.happyapps.io/

opbeat.com

https://opbeat.com/

checkmy.ws

https://checkmy.ws/en/solutions/free-forever-for-foss/

appneta.com

http://www.appneta.com/

thousandeyes.com

https://www.thousandeyes.com/

datadoghq.com

https://www.datadoghq.com/

keymetrics.io

https://keymetrics.io/

newrelic.com

https://newrelic.com/

Crash and Exception Handling

rollbar.com

https://rollbar.com/

bugsnag.com

https://bugsnag.com/

airbrake.io

https://airbrake.io/

getsentry.com

https://getsentry.com/

IaaS

aws.amazon.com

https://aws.amazon.com/free/

exoscale.ch

https://www.exoscale.ch/

developer.rackspace.com

https://developer.rackspace.com/

cloud.google.com/compute

https://cloud.google.com/compute/

virtzone.net

http://www.virtzone.net/

PaaS

cloud.google.com

https://cloud.google.com/appengine/

engineyard.com

https://engineyard.com/

azure.microsoft.com

https://azure.microsoft.com/

appharbor.com

https://appharbor.com/

shellycloud.com

https://shellycloud.com/

heroku.com

https://www.heroku.com/

firebase.com

https://www.firebase.com/

bluemix.net

https://console.ng.bluemix.net/

openshift.com

https://www.openshift.com/

DBaaS

cloudant.com

https://cloudant.com/

orchestrate.io

https://orchestrate.io/

redislabs.com

https://redislabs.com/redis-cloud

backand.com

https://www.backand.com/

zenginehq.com

http://www.zenginehq.com/

redsmin.com

https://redsmin.com/

Additional categories include design/UI, data visualization, package build systems, IDEs, analytics, event tracking, international phone validation APIs, payment/billing verification, Docker, Vagrant, APIs, data, and machine learning resources.