Reposted by Avogadro ProjectAvogadro Project @avogadro.cc · 11/09/2026We've been working on an internal-coordinate / z-matrix editor. How should we name it? #compchem (Keep in mind we need to translate into multiple languages) 1️⃣ Z-Matrix Editor 2️⃣ Internal Coordinate Editor 📊 Show results 6115
Avogadro Project @avogadro.cc · 11/09/2026We've been working on an internal-coordinate / z-matrix editor. How should we name it? #compchem (Keep in mind we need to translate into multiple languages) 1️⃣ Z-Matrix Editor 2️⃣ Internal Coordinate Editor 📊 Show results 6115
Reposted by Avogadro ProjectGeoff Hutchison @geoffhutchison.net · 29/08/2026A few weeks ago, I posted for the 2026 Avogadro Community Feedback Survey. Over 50 people responded, and several wrote multi-paragraph responses! I posted a summary to the forum and I want to include a few notes for #compchem discuss.avogadro.cc/t/avogadro-2...discuss.avogadro.ccAvogadro 2026 Survey ResultsA few weeks ago, I posted the 2026 Community Feedback Survey - and I’d like to start doing this annually. Thank you to the 49 50 of you who filled out the development survey. Several people wrote… 172
Reposted by Avogadro ProjectAvogadro Project @avogadro.cc · 08/08/2026Do you use Avogadro? We'd like some feedback: No personal information is required - just a few minutes #compchem #chemsky forms.gle/FqNo8xe9KMPH...forms.gleAvogadro Community FeedbackNow that we've released Avogadro 2.0, we'd like to gain feedback and information on the user community -- how it's used, what you use it for, and how you heard about it to guide future development. T... 074
Avogadro Project @avogadro.cc · 08/08/2026Do you use Avogadro? We'd like some feedback: No personal information is required - just a few minutes #compchem #chemsky forms.gle/FqNo8xe9KMPH...forms.gleAvogadro Community FeedbackNow that we've released Avogadro 2.0, we'd like to gain feedback and information on the user community -- how it's used, what you use it for, and how you heard about it to guide future development. T... 074
Avogadro Project @avogadro.cc · 06/08/2026Avogadro now has over 25 Python plugins for: - input generation for common programs - partial charges and electrostatics - reading and writing file formats through cclib - forcefields and ML potentials - building and analysis commands What are some tools you'd like to see? #compchem 172
Avogadro Project @avogadro.cc · 22/05/2026We're still working... @geoffhutchison.net reports on new speedups coming in v2.1 scheduled for June 02 (6/02 in the states 😉) - 20-25x faster orbital and density calculations - 6-8x faster geometry optimizations using an adaptive FIRE+L-BFGS method discuss.avogadro.cc/t/may-2026-d... #compchem 1113
Avogadro Project @avogadro.cc · 07/04/2026One week of Avogadro 2.0 highlights - and we're just getting started… Download: avogadro.cc/install/ Join the community: discuss.avogadro.cc Thanks to everyone who helped make this release happen. Open science is a team effort! Got ideas on where to go next? 🧪 ⚗️ #opensource #openscience #compchem 191
Avogadro Project @avogadro.cc · 06/04/2026Avogadro 2.0 isn't just a viewer and editor — it's an extensible platform for chemistry A plugin system lets you add ML & electrostatic models, new builders and tools. Already over 20 available… Build the tools you need: avogadro.cc/develop/plug... #avogadro #openscience #compchem #opensource 0146
Avogadro Project @avogadro.cc · 05/04/2026Sometimes you just want to see a molecule move. Run a quick MD simulation without leaving Avogadro — no scripts, no setup. The new auto-optimize tool includes a dynamics mode. Watch it move in real time. Great for teaching. Great for intuition. Just fun to watch. #openscience #compchem #opensource 1213
Avogadro Project @avogadro.cc · 04/04/2026Visualize molecular orbitals and electron density easily with Avogadro 2.0. Volumetric rendering of orbitals, plus van der Waals, solvent-accessible and solvent-excluded surfaces for biomolecular work. See the chemistry, not just the atoms. #compchem #openscience #opensource 0175
Avogadro Project @avogadro.cc · 03/04/2026Inorganic and organometallic chemists — Avogadro 2.0 is for you... A new template tool lets you build octahedral, tetrahedral, and other complexes in seconds. Click to add functional groups. Avogadro also detects symmetry and displays symmetry elements #compchem #openscience #opensource 12810
Avogadro Project @avogadro.cc · 02/04/2026Avogadro 2.0's rendering was rebuilt for modern GPUs. Smooth even with tens of thousands of atoms. Real-time shadows and ambient occlusion give depth and clarity — and a new layer system lets you hide solvent, toggle styles, and focus on what matters. #opensource #openscience #compchem 0184
Avogadro Project @avogadro.cc · 01/04/2026No fooling, Avogadro 2.0.0 is finally here! Rebuilt from the ground up: fast modern rendering, improved stability, designed for the next generation of molecular, biomolecule, and materials research & education. 🧪 ⚗️ avogadro.cc/install/ discuss.avogadro.cc #opensource #openscience #compchem 55117
Reposted by Avogadro ProjectAvogadro Project @avogadro.cc · 30/03/2026Something big is coming on 1 April – and no, it's not a joke. 🧪 ⚗️ #opensource #openscience #compchem 0182
Avogadro Project @avogadro.cc · 30/03/2026Something big is coming on 1 April – and no, it's not a joke. 🧪 ⚗️ #opensource #openscience #compchem 0182
Avogadro Project @avogadro.cc · 14/03/2026Avogadro 2.0 drops April 1st — and no, that's not a joke! 🧪⚗️ Now's the perfect time to help improve translations before release. Every language matters for chemistry worldwide. #opensource #openscience hosted.weblate.org/engage/avoga...hosted.weblate.orgMaking sure you're not a bot! 0206
Avogadro Project @avogadro.cc · 10/03/2026Coming soon in Avogadro 2.0… 👀 Loadable energy plugins, including ML (ANI, AIMNET, MACE …) and XTB (GFN-FF, GFN1, GFN2) Easy to add .. what models would you want to see? 050
Avogadro Project @avogadro.cc · 09/03/2026Coming soon... electrostatic model plugins 👀 #openscience #compchem 0180
Reposted by Avogadro ProjectGeoff Hutchison @geoffhutchison.net · 22/02/2026Has @avogadro.cc helped your research? Teaching? As we prepare Avogadro 2.0 for release this spring, I'm hoping to feature some stories (and citations). #compchem #opensource #openscience ⚗️ Let me know: discuss.avogadro.cc/t/avogadro-s...discuss.avogadro.ccAvogadro Stories (for 2.0 Release)As we finish up the 2.0 (final!) release, I’d like to feature some stories (and citations) about how Avogadro has shaped research and teaching. So if Avogadro has helped your research, please let me ... 13215
Avogadro Project @avogadro.cc · 06/02/2026It's 06-02, so a new release - v 1.103 Highlights include new volumetric rendering, faster orbital calculation, return of the peptide builder, new keyboard shortcuts to add functional groups and ligands, better support for open-shell orbitals, and much more... discuss.avogadro.cc/t/avogadro-1... 160
Reposted by Avogadro ProjectGeoff Hutchison @geoffhutchison.net · 30/01/2026Obviously a lot is going on (gestures widely) Amid chaos, I cope by doing *something* -- anything. Lately, it's been coding for @avogadro.cc because it feels like some small change I can do myself For *years* I've wanted to show electron density volumes .. little clouds ☁️☁️ #compchem 55812
Avogadro Project @avogadro.cc · 20/01/2026We are aiming for a release of Avogadro 2.0 on 06-Feb (06/02 😉) If you are running into bugs or problems, please report them soon! #compchem discuss.avogadro.ccdiscuss.avogadro.ccAvogadro DiscussionDiscussion about the Avogadro molecular editor 0154
Avogadro Project @avogadro.cc · 18/11/2025We just passed 3M downloads worldwide! 🎉 🎉 Thanks to all our users - it's been a great start and we look forward to more great things to come! #chemsky #compchemsky 0151
Avogadro Project @avogadro.cc · 08/11/2025We just uploaded a video showing off the new template tool, building up triphenyl phosphine oxide. You can easily add atoms with specific geometries, and click to add functional groups. We include over 150 with 2D previews. Suggestions always welcome: discuss.avogadro.cc youtu.be/RC4NZp6nnD8youtu.beBuilding Molecules with TemplatesYouTube video by Avogadro Project 072
Avogadro Project @avogadro.cc · 31/10/2025We've been starting up some tutorial videos on Avogadro2 🎬🍿 www.youtube.com/@AvogadroPro... What topics would you like us to cover? Let us know over at discuss.avogadro.cc #compchem #chemskyyoutube.comAvogadro ProjectAvogadro is a free open source molecular visualization and editor, designed for students and advanced researchers alike. Used in computational chemistry, molecular modeling, chemistry education, bioin... 063
Reposted by Avogadro ProjectAvogadro Project @avogadro.cc · 23/10/2025It's 10-23 day! So we decided to make a new release: - AutoOptimize Tool 🎉 - New charts and spectra - Easier geometry constraints, including for ORCA input - Plenty of bug fixes and tweaks discuss.avogadro.cc/t/avogadro-1... 0185
Avogadro Project @avogadro.cc · 23/10/2025It's 10-23 day! So we decided to make a new release: - AutoOptimize Tool 🎉 - New charts and spectra - Easier geometry constraints, including for ORCA input - Plenty of bug fixes and tweaks discuss.avogadro.cc/t/avogadro-1... 0185
Avogadro Project @avogadro.cc · 14/10/2025Do you use Windows? We're now on the Windows app store: We will now offer signed MSIX packages with releases, in addition to the traditional installer. apps.microsoft.com/detail/9n21v... Let us know how it works at discuss.avogadro.ccapps.microsoft.comAvogadro2 - Free download and install on Windows | Microsoft StoreAvogadro is a molecular editor and visualization tool, designed for students and researchers alike. Used in computational chemistry, molecular modeling, chemistry education, bioinformatics, materials ... 031
Reposted by Avogadro ProjectGeoff Hutchison @geoffhutchison.net · 06/10/2025Tested out some water clusters during lunch. - MMFF94 has point charges and hydrogen bonds - UFF does not (so water molecules push apart) At some point I'll add some simple dynamics… #compchem #compchemsky 3152
Avogadro Project @avogadro.cc · 06/10/2025If you've been wondering about the status of the AutoOptimize interactive optimization in Avogadro2 - coming later this month 👀 0132
Avogadro Project @avogadro.cc · 15/09/2025We've got a new release 1.101, which should particularly fix some bugs with Windows and Mac, and of course a variety of new features. Highlights include support for constraints for geometry optimizations, tweaking bond lengths when changing elements, and more... discuss.avogadro.cc/t/avogadro-1... 0183
Avogadro Project @avogadro.cc · 02/06/2025Thanks to a suggestion from a user, we've been working on some tweaks to the draw tool... Now you can click on a hydrogen atom to change the element and the bond will grow longer or shrink as needed Coming soon to the next release (or in a nightly build) 060
Avogadro Project @avogadro.cc · 25/03/2025To be clear, volumetric rendering of molecular orbitals, electron density, etc. will soon be available: discuss.avogadro.cc/t/volumetric... Colors are configurable... 0142
Avogadro Project @avogadro.cc · 23/03/2025What's this? 🤔 Working on something new... #opensource #compchem 0141
Avogadro Project @avogadro.cc · 22/01/2025We're starting off 2025 with a new release - 1.100 Highlights include new blur and fog rendering, faster orbital surfaces, return of the MO table, translucent balls-and-sticks, conformer properties, an improved molecular properties window, and more... discuss.avogadro.cc/t/avogadro-1... 13811
Reposted by Avogadro ProjectAvogadro Project @avogadro.cc · 27/12/2024We're finishing up a new release, but trying to track down some bugs 🪲 #compchem Some Windows users report Avogadro 1.99 won't even launch. If this is you and you're willing to test a new build, please let us know at discuss.avogadro.ccdiscuss.avogadro.ccAvogadro DiscussionDiscussion about the Avogadro molecular editor 2233
Reposted by Avogadro ProjectGeoff Hutchison @geoffhutchison.net · 30/12/2024I wrote up a 2024 Year in Review for @avogadro.cc 🧪⚗️ #opensource #chemsky In short, the community is amazing. Significant translations into 17 languages including 🇭🇷🇫🇷🇭🇺🇰🇷🇷🇴🇪🇸Tamil, 🇺🇦🇨🇳🇬🇪🇩🇪🇯🇵🇵🇹🇧🇷🇷🇸🇹🇷 .. and of course dozens of features and bug fixes discuss.avogadro.cc/t/2024-year-...discuss.avogadro.cc2024 Year-In-ReviewWhile it’s not strictly the end of 2024, I wanted to draft this early. Obviously a highlight is the release of 1.99 in time for Ubuntu LTS (24.04) … a summer of great coding / rendering, leading to t... 1155
Avogadro Project @avogadro.cc · 27/12/2024We're finishing up a new release, but trying to track down some bugs 🪲 #compchem Some Windows users report Avogadro 1.99 won't even launch. If this is you and you're willing to test a new build, please let us know at discuss.avogadro.ccdiscuss.avogadro.ccAvogadro DiscussionDiscussion about the Avogadro molecular editor 2233
Avogadro Project @avogadro.cc · 02/12/2024We've got a "Cyber Monday" special discount too! Download a nightly build today 🧪 #chemsky 080
Avogadro Project @avogadro.cc · 30/11/2024In honor of Black Friday in the US, we've got a special discount! Use "Open Source" and you can get Avogadro 1.99 for free! Wait, you *never* need a discount code? It's #opensource and #openscience Visit two.avogadro.cc and discuss.avogadro.cc to see what we've been doing for Avogadro v2. 13610
Avogadro Project @avogadro.cc · 11/02/2024We're back with a new release! 🎉 Highlights include improved force field optimizations, faster surfaces & orbitals, vibration spectra plots, and new tool icons, plus dozens of bug fixes, features, and new script plugins discuss.avogadro.cc/t/avogadro-1... 173
Reposted by Avogadro ProjectGeoff Hutchison @geoffhutchison.net · 27/11/2023As someone who went to grad school as an inorganic chemist, it gives me some pleasure to finally have a free tool to click-click-click assemble iron bipyridine complexes or Ziegler-Natta catalyst models in @avogadro.cc in about the same time it takes to build an organic compound. #chemsky 🧪 061
Avogadro Project @avogadro.cc · 03/11/2023We're happy to announce v1.98, the latest beta of Avogadro2, including piles of new features and bug fixes, including support for 3Dconnexion devices on Windows and Mac #compchem Lots more - see: discuss.avogadro.cc/t/avogadro-1... 0102