This repository and its history have been merged into the Socket.IO monorepo.
engine.io
The engine used in the Socket.IO JavaScript server, which manages the low-level transports such as HTTP long-polling and WebSocket.
GitHub
4.59k
Stars added on GitHub, month by month
Click on the bars to view the numbers
0
-3
-1
0
-4
+5
+2
+1
-4
-1
-2
+1
Jul
7
Aug
8
Sep
9
Oct
10
Nov
11
Dec
12
Jan
1
Feb
2
Mar
3
Apr
4
May
5
Jun
6
2024
2025
Stars added on GitHub, per day, on average
Yesterday
=
Last week
+0.1
/day
Last month
+0.1
/day
Last 12 months
0.0
/day
Package on NPM
engine.io
6.6.4
Monthly downloads on NPM
Click on the bars to view the numbers
25.9M
24.2M
24.8M
28M
27.7M
23.5M
26.9M
26.9M
29.6M
30.5M
32M
36.3M
Jul
7
Aug
8
Sep
9
Oct
10
Nov
11
Dec
12
Jan
1
Feb
2
Mar
3
Apr
4
May
5
Jun
6
2024
2025
README