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Databases · head to head

Apache Solr vs Microsoft Project

Apache Solr logo

Apache Solr

Databases

Enterprise search platform built on Apache Lucene

From
Free
Rated
-
Full reviewWebsite
Microsoft Project logo

Microsoft Project

Construction

Keep projects organized and on track

From
$10/month
Rated
-
Full reviewWebsite

The short version

  • Only Apache Solr has a free tier, so it costs nothing to try first.
  • Each has a real cost: Apache Solr xML-heavy configuration and a developer experience that feels dated beside newer engines; Microsoft Project performance degrades with large projects over 400 tasks, becoming slow and unstable
  • They diverge on capability: Apache Solr covers Lucene-based indexing, Microsoft Project covers Gantt charts.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Apache Solr and Microsoft Project actually diverge.

Attributes where Apache Solr and Microsoft Project differ
AttributeApache SolrMicrosoft Project
Starting priceFree$10/month
Pricing modelOpen source, no licence feeUnknown
Free tierYesNo
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb, Windows, macOS
CategoryDatabasesConstruction
FoundedUnknown1975

Identical on both: 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 Apache Solr

  • Lucene-based indexing
  • Faceted search
  • SolrCloud
  • Schema control

Only in Microsoft Project

  • Gantt charts
  • Resource management
  • Budget tracking
  • Timeline views
  • Task dependencies
  • Critical path
  • Earned value analysis
  • Portfolio management

What people use each for

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

Apache Solr

  • Library, archive and catalogue search where faceting is centralnot Microsoft Project
  • Long-lived enterprise deployments valuing stability over noveltynot Microsoft Project
  • Search requiring precise, explicitly configured relevance tuningnot Microsoft Project

Microsoft Project

  • Project schedulingnot Apache Solr
  • Resource allocationnot Apache Solr
  • Portfolio managementnot Apache Solr
  • Budget trackingnot Apache Solr
  • Enterprise project managementnot Apache Solr

Where each one falls short

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

Apache Solr

  • XML-heavy configuration and a developer experience that feels dated beside newer engines
  • SolrCloud depends on ZooKeeper, adding a component Elasticsearch removed years ago
  • Smaller mindshare now, so newer tutorials, hiring and integrations favour Elasticsearch
  • Considerably heavier than a purpose-built application search engine

Microsoft Project

  • Performance degrades with large projects over 400 tasks, becoming slow and unstable
  • Limited Agile methodology support, primarily designed for waterfall project management
  • Proprietary .mpp file format creates compatibility issues on non-Windows systems
  • No offline mode, limiting users without reliable internet connectivity

Pricing, plan by plan

Apache Solr

Free
  • Apache SolrFree
    • Full functionality
    • No usage limits
    • Community support

Microsoft Project

$10/month
  • Plan 1$10/month
    • Task and project management
    • Grid views
    • Timeline features
  • Plan 3$30/month
    • Desktop client
    • Resource management
    • Advanced scheduling
  • Plan 5$55/month
    • Portfolio management
    • Demand management
    • Enterprise capabilities

Which should you pick?

Choose Apache Solr if

  • You need lucene-based indexing.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want faceted search.
Apache Solr review

Choose Microsoft Project if

  • You need gantt charts.
  • You work on Web, Windows, macOS.
  • You also want resource management.
Microsoft Project review

Questions people ask

Is Apache Solr or Microsoft Project better?
Neither clearly leads. Apache Solr starts at Free and Microsoft Project at $10/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apache Solr or Microsoft Project?
Apache Solr has a free tier; the other does not. Paid plans start at Free for Apache Solr and $10/month for Microsoft Project.
Does Apache Solr or Microsoft Project run on more platforms?
Apache Solr runs on Linux, Docker, Kubernetes, Self-hosted. Microsoft Project runs on Web, Windows, macOS.
Can I use Apache Solr for free?
Yes. Apache Solr has a free tier, so you can try it without paying. Microsoft Project starts at $10/month.
What is Apache Solr best used for?
Apache Solr is most often used for library, archive and catalogue search where faceting is central, long-lived enterprise deployments valuing stability over novelty, search requiring precise, explicitly configured relevance tuning. Of those, library, archive and catalogue search where faceting is central and long-lived enterprise deployments valuing stability over novelty are not what Microsoft Project is typically brought in for.
What can Apache Solr do that Microsoft Project cannot?
Apache Solr covers Lucene-based indexing, Faceted search, SolrCloud, Schema control. Microsoft Project covers Gantt charts, Resource management, Budget tracking, Timeline views.

Answered from the vendors’ own pages

Apache Solr: Is Apache Solr free?

Yes, open source under the Apache Software Foundation.

Microsoft Project: What are the different Microsoft Project plans and pricing?

Microsoft Project offers Plan 1 at $10/user/month for basic project management, Plan 3 at $30/user/month with desktop client and resource management, and Plan 5 at $55/user/month for enterprise portfolio management. Desktop licenses (2024) start at $679.99 for Standard and $1,129.99 for Professional.

Source
Apache Solr: Solr or Elasticsearch?

Both are built on Lucene. Elasticsearch has the larger ecosystem and a friendlier API; Solr is very mature and strong on faceted search, and remains common in library and catalogue systems.

Microsoft Project: Does Microsoft Project support Agile methodology?

Microsoft Project was primarily designed for traditional waterfall project management. While it has some Agile features, it is not optimized for Agile workflows compared to dedicated Agile tools like Jira or Monday.com.

Source
Apache Solr: Is Solr still maintained?

Yes, actively, as a top-level Apache project.

Microsoft Project: Can multiple teams collaborate in real-time on Microsoft Project?

Yes, Microsoft Project for the Web provides real-time collaboration through cloud-based access. However, collaboration is noted as harder compared to modern cloud-native tools due to its file-based architecture.

Source
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