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Databases · head to head

Apache Solr vs OpenLink Endur

Apache Solr logo

Apache Solr

Databases

Enterprise search platform built on Apache Lucene

From
Free
Rated
-
Full reviewWebsite
OpenLink Endur logo

OpenLink Endur

Energy

Enterprise trading and risk management

From
On request
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; OpenLink Endur no pricing published on vendor website; enterprise product requires direct contact with ION Group sales
  • They diverge on capability: Apache Solr covers Lucene-based indexing, OpenLink Endur covers Deal capture.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Apache Solr and OpenLink Endur actually diverge.

Attributes where Apache Solr and OpenLink Endur differ
AttributeApache SolrOpenLink Endur
Starting priceFreeOn request
Pricing modelOpen source, no licence feequote
Free tierYesNo
PlatformsLinux, Docker, Kubernetes, Self-hostedDesktop, Web, Api
CategoryDatabasesEnergy
FoundedUnknown1999

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 OpenLink Endur

  • Deal capture
  • Position management
  • Risk analytics
  • Credit management
  • Logistics
  • Settlement
  • Accounting integration
  • Regulatory compliance

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 OpenLink Endur
  • Long-lived enterprise deployments valuing stability over noveltynot OpenLink Endur
  • Search requiring precise, explicitly configured relevance tuningnot OpenLink Endur

OpenLink Endur

  • Energy tradingnot Apache Solr
  • Risk managementnot Apache Solr
  • Commodity logisticsnot Apache Solr
  • Regulatory compliancenot Apache Solr
  • Settlementnot 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

OpenLink Endur

  • No pricing published on vendor website; enterprise product requires direct contact with ION Group sales

Pricing, plan by plan

Apache Solr

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

OpenLink Endur

On request
  • Trading$undefined/custom
    • Deal capture
    • Position management
    • P&L analytics
  • Risk$undefined/custom
    • VaR and PaR
    • Credit risk
    • Limit monitoring
  • Enterprise$undefined/custom
    • Full ETRM suite
    • Multi-commodity
    • Global support

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 OpenLink Endur if

  • You need deal capture.
  • You work on Desktop, Web, Api.
  • You also want position management.
OpenLink Endur review

Questions people ask

Is Apache Solr or OpenLink Endur better?
Neither clearly leads. Apache Solr starts at Free and OpenLink Endur at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apache Solr or OpenLink Endur?
Apache Solr has a free tier; the other does not. Paid plans start at Free for Apache Solr and On request for OpenLink Endur.
Does Apache Solr or OpenLink Endur run on more platforms?
Apache Solr runs on Linux, Docker, Kubernetes, Self-hosted. OpenLink Endur runs on Desktop, Web, Api.
Can I use Apache Solr for free?
Yes. Apache Solr has a free tier, so you can try it without paying. OpenLink Endur starts at On request.
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 OpenLink Endur is typically brought in for.
What can Apache Solr do that OpenLink Endur cannot?
Apache Solr covers Lucene-based indexing, Faceted search, SolrCloud, Schema control. OpenLink Endur covers Deal capture, Position management, Risk analytics, Credit management.

Answered from the vendors’ own pages

Apache Solr: Is Apache Solr free?

Yes, open source under the Apache Software Foundation.

OpenLink Endur: How much does OpenLink Endur cost?

OpenLink Endur does not publish pricing on the ION Group website. This is an enterprise product requiring direct contact with ION Group sales for custom pricing.

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.

OpenLink Endur: How can I get pricing for OpenLink Endur?

Contact ION Group directly through their contact forms, request a demo, or work with their sales team to receive a custom quote for OpenLink Endur.

Source
Apache Solr: Is Solr still maintained?

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

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