log.io is described as 'Harvesters watch log files for changes, send new log messages to the server, which broadcasts to web clients. Log messages are tagged with stream, node, and log level information based on user configuration' and is an app in the File Management category. There are more than 25 alternatives to log.io for a variety of platforms, including Linux, Windows, Mac, Online / Web-based and Self-Hosted solutions. The best alternative is Prometheus, which is both free and Open Source. Other great apps like log.io are Sentry (Freemium), Datadog (Paid), Graylog (Free, Open Source) and Logstash (Freemium, Open Source).
Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community.
Datadog is a monitoring service for IT, Dev & Ops teams who write and run applications at scale, and want to turn the massive amounts of data produced by their apps, tools and services into a unified view of IT infrastructure. 120+ Integrations!.
Graylog is an open source syslog implementation that stores your logs in Elasticsearch. It consists of a server and web interface written in Java that accepts your syslog messages via TCP or UDP (or GELF messages) and stores it in the database.
Splunk is software that provides unique visibility across your entire IT infrastructure from one place in real time. Only Splunk enables you to search, report, monitor and analyze streaming and historical data from any source.
Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream.
Sematext lets you store, index, and search all kinds of logs (server logs, container logs, application logs, mobile app logs…), enabling access to them in one place. Sematext also analyzes your logs for optimal health while detecting anomalies, so you don’t have to.