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Database & Data Management · head to head

Cassandra vs Woven

Cassandra logo

Cassandra

Database & Data Management

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
W

Woven

Calendar & Time Management

Smart calendar for busy professionals

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cassandra no support for joins across tables; Woven the Internet Archive's capture of Woven's homepage on 30 December 2020 named specific features (Smart Templates, Scheduling Links, Availability Sharing, Group Polls) and confirmed integration with Google, G Suite and Office 365, but the linked Pricing page itself could not be retrieved from the archive.
  • They diverge on capability: Cassandra covers Linear Scalability, Woven covers Smart scheduling.

Where they differ

Only the attributes on which Cassandra and Woven actually diverge.

Attributes where Cassandra and Woven differ
AttributeCassandraWoven
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Macos, Ios
CategoryDatabase & Data ManagementCalendar & Time Management
Founded20082014

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cassandra

  • Linear Scalability
  • Fault Tolerance
  • Multi-datacenter Replication
  • Tunable Consistency
  • CQL Query Language
  • Distributed Architecture
  • No Single Point of Failure
  • DataStax

Only in Woven

  • Smart scheduling
  • Team availability
  • Time analytics
  • Video conferencing
  • Templates
  • Google Calendar
  • Zoom
  • Slack

What people use each for

The jobs each tool is most often brought in to do.

Cassandra

  • Real-time applicationsnot Woven
  • Content managementnot Woven
  • User profilesnot Woven
  • Mobile backendsnot Woven
  • Cachingnot Woven

Woven

  • Schedulingnot Cassandra
  • Appointment bookingnot Cassandra
  • Time trackingnot Cassandra
  • Resource managementnot Cassandra
  • Team coordinationnot Cassandra

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cassandra

  • No support for joins across tables
  • No ACID transactions across multiple rows
  • Data model must be designed around query patterns upfront, making schema evolution difficult
  • Partition key misconfigurations can cause uneven data distribution and hotspots that degrade performance

Woven

  • The Internet Archive's capture of Woven's homepage on 30 December 2020 named specific features (Smart Templates, Scheduling Links, Availability Sharing, Group Polls) and confirmed integration with Google, G Suite and Office 365, but the linked Pricing page itself could not be retrieved from the archive.

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Woven

Free
  • DiscontinuedFree
    • Now part of Slack

Which should you pick?

Choose Cassandra if

  • You need linear scalability.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Kubernetes.
  • You also want fault tolerance.
Cassandra review

Choose Woven if

  • You need smart scheduling.
  • You want to start without paying.
  • You work on Web, Macos, Ios.
  • You also want team availability.
Woven review

Questions people ask

Is Cassandra or Woven better?
Neither clearly leads. Cassandra starts at Free and Woven at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Woven?
Cassandra starts at Free and Woven at Free.
Does Cassandra or Woven run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Woven runs on Web, Macos, Ios.
Can I use Cassandra for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cassandra best used for?
Cassandra is most often used for real-time applications, content management, user profiles, mobile backends. Of those, real-time applications and content management are not what Woven is typically brought in for.
What can Cassandra do that Woven cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Woven covers Smart scheduling, Team availability, Time analytics, Video conferencing.

Answered from the vendors’ own pages

Cassandra: Does Cassandra support joins between tables?

No. Cassandra does not support joins or foreign keys. The data model requires denormalization, meaning data must be duplicated across tables to support different query patterns.

Source
Cassandra: Does Cassandra offer ACID transactions?

No. Cassandra provides only row-level atomicity and isolation, not full ACID transactions across multiple rows or tables. It uses lightweight transactions via Paxos for per-row compare-and-set operations.

Source
Cassandra: What programming languages can connect to Cassandra?

Cassandra supports official drivers for multiple languages including Python, Java, Node.js, and Go, allowing applications to communicate via the native Cassandra protocol.

Source
Cassandra: Can I deploy Cassandra in the cloud?

Yes. Cassandra can run on any cloud platform (AWS, Google Cloud, Azure) via Docker, virtual machines, or managed services like DataStax Astra DB, which provides a fully managed DBaaS option.

Source
Cassandra: Does Cassandra have a free option?

The open source Apache Cassandra is free. DataStax also offers Astra DB with a free tier providing up to 25GB storage and 25 million read/write operations per month.

Source
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