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May Highlights

In another sign of JavaScript's ubiquity, Node.js became the second JavaScript related technology to surpass mentions of JavaScript itself. Node.js took the #4 spot in May, its first time in the top 5, and just ahead of JavaScript. React was the first to do so, and React also continued its streak of wins, taking the top spot for the 12th month in a row, sustaining its rank for a complete year.

May also marked an all time high in total postings, with more than 1000 postings for only the 2nd time ever and was up 17% over last May.

Programming Languages

Compare JavaScript, Python, Ruby and Java
Compare C++, Scala, Clojure and Go

Server-side Frameworks

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JavaScript Frameworks

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SQL Databases

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NoSQL Databases

Compare Mongodb, Elasticsearch, Cassandra and DynamoDB

Big Data

Compare Storm, Hadoop and Spark

Messaging

Compare Kafka, RabbitMQ and ActiveMQ

DevOps Tools

Compare Chef, Puppet, Ansible and the DevOps term itself

Virtualization and Container Tools

Compare Docker, Kubernetes, Mesos and Vagrant

Cryptocurrency and Blockchain

Compare Blockchain, Bitcoin and Ethereum

Total Postings Trend

Rankings and movers

Tech Rank Last Month Change Last Year Change
React 1 1 0 2 +1
Python 2 2 0 1 -1
AWS 3 4 +1 5 +2
node.js 4 8 +4 9 +5
JavaScript 5 3 -2 3 -2
Full Stack 6 5 -1 4 -2
Postgresql 7 7 0 6 -1
Java 8 12 +4 8 0
Machine Learning 9 6 -3 7 -2
Ruby 10 11 +1 11 +1
DevOps 11 10 -1 12 +1
golang 12 9 -3 13 +1
Rails 13 13 0 10 -3
Docker 14 14 0 17 +3
Android 15 16 +1 16 +1
iOS 16 15 -1 14 -2
Kubernetes 17 20 +3 34 +17
AngularJS 18 21 +3 15 -3
Data Science 19 17 -2 32 +13
api 20 18 -2 18 -2
Tech Mentions Rank Last Year Mentions Last Year Rank Change
Kotlin 24 56 2 154 +98
Ethereum 11 83 1 178 +95
Blockchain 38 35 7 96 +61
Express 14 70 4 126 +56
Shell 6 109 2 157 +48
Rust 16 63 6 110 +47
Bitcoin 8 92 3 136 +44
Lambda 17 59 7 102 +43
Vue 26 51 8 89 +38
ClojureScript 8 98 3 135 +37
Tech Mentions Rank Last Year Mentions Last Year Rank Change
OpenStack 1 188 6 107 -81
CoffeeScript 1 176 7 99 -77
Celery 2 149 11 76 -73
Akka 3 139 10 81 -58
Varnish 1 168 5 114 -54
Mesos 2 150 7 103 -47
SQS 3 134 8 92 -42
Kinesis 4 130 8 91 -39
SQL Server 4 129 8 93 -36
RabbitMQ 11 87 21 52 -35