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December Highlights

Just as it did last year, React completed the full calendar 2019 as the top tech in Ask HN: Who is hiring? extending its win streak to 31 months. React has been trending down in recent months and December marks its lowest share of the year, at just over 25% of postings. But, the runner up, Python, still has a long way to go to catch up.

There were some notable big movers in December. Machine Learning made a jump from #12 to #4. While Go jumped back into the Top 10 overall and was the second most popular programming language.

The other big story for 2019 would have to be TypeScript which is now a Top 10 contender every month and at parity with JavaScript regularly.

Top 10 Programming Languages

  1. Python
  2. Go
  3. JavaScript
  4. TypeScript
  5. Java
  6. Ruby
  7. C++
  8. C
  9. PHP
  10. Rust

Compare Top 10 Programming Languages

Server-side Frameworks

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JavaScript Frameworks

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SQL Databases

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NoSQL Databases

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Big Data

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Messaging

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DevOps Tools

Compare Terraform, Chef, Puppet, Ansible and CloudFormation

Virtualization and Container Tools

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Cryptocurrency and Blockchain

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Cloud Providers

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Deep Learning

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Rankings and movers

Tech Rank Last Month Change Last Year Change
React 1 1 0 1 0
Python 2 2 0 2 0
AWS 3 3 0 3 0
Machine Learning 4 12 +8 9 +5
Postgresql 5 5 0 10 +5
node.js 6 7 +1 7 +1
Full Stack 7 8 +1 4 -3
golang 8 11 +3 11 +3
DevOps 9 6 -3 6 -3
JavaScript 10 4 -6 5 -5
TypeScript 11 10 -1 19 +8
Android 12 16 +4 17 +5
iOS 13 14 +1 16 +3
Java 14 9 -5 8 -6
Docker 15 15 0 12 -3
Ruby 16 13 -3 13 -3
Rails 17 17 0 14 -3
Kubernetes 18 18 0 15 -3
Data Science 19 25 +6 22 +3
AI 20 20 0 21 +1
Tech Mentions Rank Last Year Mentions Last Year Rank Change
SQS 8 72 4 128 +56
S3 12 61 4 116 +55
Phoenix 7 76 4 122 +46
EC2 7 78 4 117 +39
Bitcoin 5 86 4 123 +37
Embedded Systems 5 89 4 124 +35
RDS 7 77 5 111 +34
Microservices 19 39 10 73 +34
Web Services 5 92 4 126 +34
Ansible 14 48 8 76 +28
Tech Mentions Rank Last Year Mentions Last Year Rank Change
Shell 0 236 5 106 -130
NumPy 0 212 5 98 -114
VR 0 190 8 80 -110
Perl 0 217 5 113 -104
Haskell 1 164 11 69 -95
OpenCV 1 177 5 102 -75
Pandas 1 149 8 77 -72
WebGL 1 166 5 103 -63
Sass 1 168 5 108 -60
TDD 1 155 6 96 -59