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Comparison · Analytics
Apache Druid vs PySCF
A side-by-side editorial comparison of Apache Druid and PySCF — release velocity, themes, recent moves, and the top alternatives to consider.
Apache Druid vs PySCF: at a glance
| Feature | Apache Druid | PySCF |
|---|---|---|
| Sector | Analytics, Infra & APIs | Analytics |
| Velocity score | 0.0 | 2.5 |
| Sparks · 30d | 0 | 0 |
| Top themes | real-time-analytics, apache-project, quarterly-releases, upgrade-compatibility | quantum-chemistry, periodic-systems, coupled-cluster, gpu-acceleration |
| Last editorial update | 14d ago | 13h ago |
| Website | Visit → | Visit → |
What is Apache Druid?
Druid ships a large major roughly every quarter and lets the release notes do the talking.
The feed alternates release-candidate tags with the majors they become: 35.0.1 in December, 36.0.0 in February, 37.0.0 in May. The majors are big and diffuse — 37.0.0 counts over 255 changes from 29 contributors, 36.0.0 over 189 from 34 — and are summarised by contributor counts and pointers to upgrade notes rather than headline features. The one patch in the window fixed segment-drop file descriptors leaking until process exit, which is the kind of detail that tells you who runs this: operators with long-lived clusters.
What is PySCF?
Quantum chemistry package adding whole method families every release.
PySCF is a Python-based quantum chemistry toolkit, and its release cadence is unusually feature-dense: each version lands multiple new electronic-structure methods rather than polishing existing ones. Recent releases have built out the GW/BSE excited-state stack, k-point RPA for periodic systems, higher-order coupled cluster, and multi-state PDFT with analytical gradients. Platform work runs alongside — Windows DLL compatibility, GPU4PySCF interfacing, and configurable einsum backends.
Apache Druid vs PySCF: editorial side-by-side
Apache Druid
0.0ANALYTICSINFRA · APIS
Druid ships a large major roughly every quarter and lets the release notes do the talking.
◆ Current state
The feed alternates release-candidate tags with the majors they become: 35.0.1 in December, 36.0.0 in February, 37.0.0 in May. The majors are big and diffuse — 37.0.0 counts over 255 changes from 29 contributors, 36.0.0 over 189 from 34 — and are summarised by contributor counts and pointers to upgrade notes rather than headline features. The one patch in the window fixed segment-drop file descriptors leaking until process exit, which is the kind of detail that tells you who runs this: operators with long-lived clusters.
◆ Where it's heading
This is a mature Apache project on a predictable cadence, where each release aggregates hundreds of contributions instead of pursuing a theme. Every major carries explicit incompatible-changes and upgrade notes, so compatibility management is treated as a first-class part of shipping. Nothing in the feed points toward a directional shift; the signal is steadiness.
◆ Prediction
On this cadence the next major and its release candidate are due within a quarter of 37.0.0, likely with a similar volume of changes. What those changes contain cannot be inferred — the entries deliberately defer detail to the linked notes.
PySCF
2.5ANALYTICS
Quantum chemistry package adding whole method families every release.
◆ Current state
PySCF is a Python-based quantum chemistry toolkit, and its release cadence is unusually feature-dense: each version lands multiple new electronic-structure methods rather than polishing existing ones. Recent releases have built out the GW/BSE excited-state stack, k-point RPA for periodic systems, higher-order coupled cluster, and multi-state PDFT with analytical gradients. Platform work runs alongside — Windows DLL compatibility, GPU4PySCF interfacing, and configurable einsum backends.
◆ Where it's heading
Two arcs are visible. The methods arc is pushing toward periodic (PBC) parity with molecular calculations — PBC GW, PBC RPA, SOC-ECP for PBC DFT, QM/MM for periodic systems all landed in this window. The infrastructure arc is about getting PySCF to run where it previously did not: Windows, GPUs, alternative tensor-contraction backends.
◆ Prediction
The PBC catch-up should continue, since each release closes another gap between molecular and periodic implementations of the same method; the entries do not indicate which gap is next.
Alternatives to Apache Druid and PySCF
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Apache Druid or PySCF.
Omni
Omni ships weekly, and almost every week the headline item is an AI feature
OpenDataDiscovery
Four ODD Platform releases in two weeks, and not one of them changes the product
Apache Baremaps
Baremaps got geoparquet and hillshading, then went quiet for eighteen months in incubation
Deequ
Deequ ships GitHub tags whose release notes are one commit message long
Marquez
Marquez spent 2024 turning a lineage store into a UI, then stopped releasing
See all Apache Druid alternatives → · See all PySCF alternatives →
Recent activity from Apache Druid and PySCF
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 24d agoPySCFBethe-Salpeter equation, k-point RPA, and Windows compatibility
- 2mo agoPySCFPatch release: missing CP2K basis data in wheels, ECP loading fallback
- 3mo agoApache DruidDruid 37.0.0
- 3mo agoPySCFASE band structure interface, SOC-ECP for periodic DFT, PCM surface discretization
- 3mo agoApache Druiddruid-37.0.0-rc1
- 6mo agoApache DruidDruid 36.0.0
- 6mo agoPySCFNumPy 2.4 compatibility fix and smearing convergence tweak
- 6mo agoApache Druiddruid-36.0.0-rc1
- 6mo agoPySCFHigh-performance CCSDT/CCSDTQ, density-fitted NEVPT2, configurable einsum backend
- 7mo agoApache DruidDruid 35.0.1
- 8mo agoApache Druiddruid-35.0.1-rc2
- 9mo agoPySCFMulti-state PDFT family lands with analytical gradients and QM/MM for periodic systems
Frequently asked questions
What is the difference between Apache Druid and PySCF?
They serve adjacent needs but don't currently overlap on shipped themes. PySCF is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Apache Druid better than PySCF?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. PySCF is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to Apache Druid?
Top Apache Druid alternatives in Analytics are ranked by recent ship velocity. Browse the "Apache Druid alternatives" section above for the current picks, or visit /alternatives/apache-druid for the full list with editorial commentary on each.
What are the best alternatives to PySCF?
Top PySCF alternatives in Analytics are ranked by recent ship velocity. Browse the "PySCF alternatives" section above for the current picks, or visit /alternatives/pyscf for the full list with editorial commentary on each.