sitealternatives
Email · 6 alternatives

Instead of Spark, try one of these 6.

Every alternative is lined up against Spark on what people actually switch for: price, open source, self-hosting, offline use and platforms. Spark sits in the first row, so you can see what you give up.

Show onlySorted by likes · 6 of 6
Alternative
Price
Open source
Self-host
Offline
Platforms
SparkWhat you have now
Smart inbox that filters noise and groups by sender.
PriceFreemium
premium $5/mo
Open sourceNo
Self-hostNo
OfflinePartial
Platforms
Web · Mac · Win · iOS · Android
Three.js#1
Lightweight 3D library for rendering scenes in the browser.
PriceFree
Open sourceYes
Self-hostNo
OfflinePartial
Platforms
Web · Win · Mac · Linux
Babylon.js#2
Full-featured JavaScript engine for 3D games and apps.
PriceFree
Open sourceYes
Self-hostNo
OfflinePartial
Platforms
Web · Win · Mac · Linux · iOS · Android
PlayCanvas#3
Browser-based game engine with a collaborative visual editor.
PriceFreemium
Open sourceYes
Self-hostYes
OfflinePartial
Platforms
Web · Win · Mac · Linux
p5.js#4
Creative coding library for artists, designers and beginners.
PriceFree
Open sourceYes
Self-hostYes
OfflinePartial
Platforms
Web · Win · Mac · Linux · iOS · Android
GraphicsJS#5
JavaScript library for drawing HTML5 and SVG graphics.
PriceFree
Open sourceYes
Self-hostYes
OfflineNo
Platforms
Web
Raphaël#6
Cross-browser vector graphics library built on SVG and VML.
PriceFree
Open sourceYes
Self-hostNo
OfflineNo
Platforms
Web

How to read this. “Yes” means fully supported by the maker. “Partial” means it works with caveats. Likes reflect community popularity; vendors can’t pay for them or for placement. How we compare.

Spark alternatives at a glance

Spark is a freemium email app (premium $5/mo). We compared 6 alternatives: 6 are open source, 5 are completely free, 3 can be self-hosted and 0 work fully offline. The most popular is Three.js, with 23 likes.

Most liked overallThree.js

Lightweight 3D library for rendering scenes in the browser.

Free · Open source
Best free optionBabylon.js

Full-featured JavaScript engine for 3D games and apps.

Free · Open source
Best open-source optionPlayCanvas

Browser-based game engine with a collaborative visual editor.

Freemium · Open source · Self‑hostable
Best to self-hostp5.js

Creative coding library for artists, designers and beginners.

Free · Open source · Self‑hostable

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