i checked there a year or so ago, i even messaged some people but didn't get a response. but i eventually found some releases on chomikuj and soulseek . there was also a forum post regarding the radium disc archive on audionews, messaged some people that has it, but no response as usual. anyways, this is what i have so far. i'll have to go through which releases i'm currently missing and do another response.
and ofc if i manage to find them all, i'll make sure they are available for everyone (then time to hunt releases from other teams :p)

Spoiler: releases i have found so far

Acoustic-X.v1.0.full-radium
Analyser.2000.v3.0-radium
Antares.Autotune.v1.0.10-radium
Arboretum.Restoration-NR.v1.02-radium
Arp-X8.v1.005-Radium
Audio.Architect.3.0.cracked-radium
Audioactive.MP3.Production.Studio.PRO.v1.05-Radium
Audioactive.MP3.Production.Studio.PRO.v1.55b-Radium
Audioactive.Production.Studio.Pro.v1.05e-radium
AudioGrabber.v1.31.unblacklister.fixed-Radium
AudioGrabber.v1.40.working-radium
AudioMulch.0.7b5-radium
AudioSim.v2.0-Radium
Awave.v4.5-Radium
Awave.v4.8.cracked-radium
Awave.v4.9.cracked-radium
AweVbank.96.build.1100.regged-radium
BSI.Wavestation.v2.71y-radium
Building.Blocks.v1.0.full-radium
Cakewalk.Audio.FX1.Pack.v1.02-radium
Cakewalk.Audio.FX2.v1.0-radium
Cakewalk.Audio.FX3.v1.0-radium
Cakewalk.Guitar.Studio.v1.0-radium
Cakewalk.Pro.Audio.v7.0.final-radium
CakeWalk.Pro.Audio.v7.0.rc3-radium
CakeWalk.Pro.Audio.v8.0.final-radium
Cakewalk.Pro.Audio.v9.0 fixed-radium
Cakewalk.Pro.Audio.v9.01.Updater-radium
Cakewalk.SoundFont.Manager.v1.00.19-radium
Cakewalk.Style.Enhancer.Micro.v1.1-radium
Cakewalk.v6.01.cracked-radium
CD.Looper.v1.35-radium
CDRwin.v3.6a.beta-radium
Cool.Edit.Pro.v1.01.updater.fixed-radium
Cool.Edit.Pro.v1.1.full-radium
Cool.Edit.Pro.v1.20.fixed-radium
Cubase.Score.VST.3.5.final.cracked-radium
Cubase.VST.v3.553.full.extras-radium
Cubase.VST.v3.553.full.install-radium
Cubase.VST24.v3.70.addons-radium
Cubase.VST24.v3.70.full-radium
Customware.Music.Manager.v3.0-radium
Cylonix.vocoder.v1.07-radium
D-lusion.Drumstation.v1.0-radium
D-lusion.RubberDuck.v2.01-radium
D-lusion.RubberDuck.v2.04-Radium
DART.pro.32bit.v1.0.crack.fixed-radium
DART.pro.32bit.v1.08-radium
DART.pro.32bit.v1.14-radium
DART.pro.32bit.v1.16-radium
DB.ProComp.for.VST.v1.0-radium
DB.ProComp.for.VST.v1.10-radium
DB.ProComp.v1.0.DirectX-radium
DB.ProDelay.for.VST.v1.0-radium
Decomposer.v1.0-radium
Diamond.Cut.Tools.v2.02.cracked-radium
Digital.1200SL.DJ.v3.6-radium
Digital.Orchestrator.Pro.v3.01.05-radium
Digital.Orchestrator.Pro.v3.02.05-radium
DirectX.Acoustic.Modeler.v1.0.build62-radium
DirectX.Acoustic.Modeler.v1.0.full.final-radium
DirectX.Acoutic.Modeler.plugin.(build60)-radium
DirectX.Noise.Reduction.plugin.build.60-radium
DirectX.XFX-2.audio.plugins-radium
DirectX.XFX-2.audio.plugins.build.66-radium
DirectX.XFX.v1.0.audio.plugins.(bld60)-radium
Disc.Juggler.v1.01.199.Full.Edition-radium
Disc.Juggler.v1.05.238.with.overburning-radium
DJPower.v3.4.cracked-radium
DJPower.v3.7.cracked-Radium
Drumatix.plus.v2.016.full-Radium
DSP-FX.DirectX.v4.0013-radium
DSP-FX.v4.1007.with.Aural.Enhancer-radium
DSP-FX.v5.0104-radium
DSP-FX.v6.003-radium
DSP-FX.v6.2a-radium
Everest.MA-1.editor.v1.43-radium
Everest.MA-1.editor.v1.47-radium
Fhg.Radium.MP3.codec.v1.263-radium
Finale.98.32bit-Radium
Finale.98.32bit.addon-radium
Finale.98d.32bit-radium
Fraunhofer.MP3.codec.v1.063.optimized-Radium
Fruity.Loops.Pro.v1.3.66-radium
Fruity.Loops.Pro.v1.372-radium
Fruity.Loops.v1.2.12-Radium
FruityLoops.Pro.v1.65.TS404-radium
FruityLoops.Pro.v1.76.TS404-radium
FruityLoops.Pro.v2.11.TS404.Radium
Generator.v1.53.final-radium
Generator.v1.54-radium
Generator.v1.56-radium
Generator.v1.57-radium
Guitare.Pro.32.bit.v1.1.cracked-radium
Guitare.Pro.v2.0-radium
Hyperprism.DX.v1.0.fixed-radium
Hyperprism.DX.v1.50-radium
Hyperprism.DX.v1.52-radium
Hyperprism.DX.v1.55-radium
HyperPrism.v1.55b-radium
Jammer.Professional.v4.0-radium
JBL.Smaart.v1.4-Radium
Lime.Notation.v5.10-radium
Logic.Audio.Discovery.v3.05.cracked-radium
Logic.Audio.Platinum.v3.5-radium
Logic.Audio.Platinum.v3.5.extras-radium
Logic.Audio.Platinum.v4.04-radium
Logic.Audio.Platinum.v4.04.addons-radium
Logic.Audio.Platinum.v4.1.1.with.ES.1-radium
Logic.Audio.v3.0.16.fully.working-radium
Magneto.DirectX.v1.0.with.timefix-radium
Making.Waves.v1.6b.cracked-radium
Making.Waves.v1.91-Radium
MaxxBass.v2.3.full.cracked-radium
Mellosoftron.v2.3.build302-radium
Midiscan.v2.51-Radium
MOTU.Freestyle.v2.02-radium
MOTU.Unisyn.v1.5-radium
N-Track.v2.2.1-radium
Native.Power.Pack.v2.3.full.cracked-radium
Nemesys.Gigasampler.Addon.Pack.1-radium
Nemesys.Gigasampler.v1.0-Radium
Nemesys.GigaSampler.v1.52-radium
Nemesys.GigaSampler.v1.60-radium
Nemesys.GigsSampler.v1.5.fixed-radium
Nero.v3.0.4.0.fully.working-radium
Newstyle.AXS.v2.02-radium
Newstyle.AXS.v2.02.addons-radium
NovaStation.SYXG50.v2.1.regged-radium
Opcode.Fusion.Filter.v1.0-radium
Opcode.fusion.VINYL.v1.0.cracked-radium
Opcode.Fusion.Vinyl.v1.1-radium
Opcode.Fusion.Vocode.v1.2-radium
Panhandler.v1.0.for.DirectX-radium
Panhandler.v1.1.for.DX-radium
Panhandler32.v3.0.for.SAW-radium
PAS.Analysis.Center.v2.0-radium
PAS.EQ.Studio.v2.0-radium
PAS.Spectrum.Analysis.PRO.v2.0-radium
Passport.Designs.Encore.v4.2.1-radium
Peavey.DPM-SP.Remote.Control.v1.01-radium
Pinguin.Audio.Meter.V2.1-radium
Progenie.for.Korg.Prophecy.v1.007.regged-radium
Progenie.for.Korg.Prophecy.v1.53-radium
Prosoniq.TimeFactory.v1.03-Radium
Qdesign.I-Media.Audio.Mpeg.v2.0.full-radium
Qsound.Qcommander.v1.0-Radium
Qtools-AX.DirectX.v1.0.cracked-radium
Quartz.Audio.Master.v2.17-radium
Quartz.Audio.PRO.v3.30-radium
Quartz.DX.Plugin.Pack.1-radium
Quartz.DX.Plugin.Pack.2-radium
Quartz.DX.Plugin.Pack.3-radium
Quartz.GuitarFX.plugin-radium
Radium.External.Codec.Converter.v1.50-radium
Radium.FhG.MP3.Engine.Optimizer.v1.1-radium
Raygun.noise.reduction.v1.1-radium
Reaktor.v2.04-radium
Reality.v1.53-radium
Reality.v1.55-radium
Reality.v1.55.addon-radium
Rebirth.2.Modunpack.beta.v1.0-radium
Rebirth.Modpacker.v1.0-Radium
Rebirth.rb-338.v1.5.final.cracked-radium
ReBirth.RB-338.v1.5.rc2.cracked-radium
Rebirth.rb338.v2.0-Radium
Rebirth.Rb338.v2.0.Addon.Pack.1-radium
Rebirth.Rb338.v2.0.Addon.Pack.2-radium
Rebirth.Rb338.v2.0.Addon.Pack.3-radium
Rebirth.Rb338.v2.0.Addon.Pack.4-radium
Rebirth.Rb338.v2.0.fix1-radium
Rebirth.RB338.v2.01-radium
Rebirth.rb339.v1.5.909.drum.addon.fixed-radium
Rebirth.v1.5.technobox.mod.cracked-radium
Rebirth.v1.5.timefix.crack.only-radium
Retro.AS-1.Analog.Synth.v1.11-radium
Retro.AS-1.v1.22-radium
Revolve.100m.v1.0-radium
RPG.Room.Optimizer.v1.0-radium
Samplitools.Declicker.DX.v1.0-radium
Samplitude.2496.v5.01-radium
Samplitude.2496.v5.03-radium
Samplitude.2496.v5.04-Radium
Samplitude.2496.v5.05-Radium
Samplitude.2496.v5.11-radium
Samplitude.2496.v5.31-radium
Samplitude.2496.v5.32-radium
Samplitude.2496.v5.55-Radium
Samplitude.2496.v5.55.fixed-radium
Samplitude.Studio.v4.52-Radium
Samplitude.Studio.v5.11-radium
Samplitude.Studio.v5.12-radium
Saw.FX.Bigtime.v3.0-radium
Saw.Ignition.CDR.32bit.v1.2-radium
Saw.Ignition.CDR.32bit.v1.4-radium
SAW.MeterBridge.32bit.v1.3-radium
Saw.plus.32bit.v2.5.full-radium
Saw.plus.32bit.v2.6.full-radium
Saw.plus.32bit.v2.7.full-radium
Saw.plus.32bit.v2.8.full-Radium
Saw.plus.32bit.v2.9-radium
Saw.plus.32bit.v3.1-radium
Saw.Reverberator.32bit.v1.5-radium
Saw.Reverberator.32bit.v1.7-radium
Saw.Reverberator.32bit.v1.8-radium
Scope.DSP.v3.5a-Radium
Scope.FIR.v3.5a-Radium
SF.Noise.Reduction.for.DirectX.v1.0b-radium
Sibelius.v1.105-radium
Smorphi.v2.60.cracked-radium
Sonic.Foundry.ACID.Pro.v2.0.60-radium
Sonic.Foundry.ACID.Pro.v2.0a.118.Radium
Sonic.Foundry.ACID.v1.0a-Radium
Sonic.Foundry.Acoustic.Mirror.1.1-radium
Sonic.Foundry.DirectX.XFX-2.audio.plugins.build.66-radium
Sonic.Foundry.Directx.XFX3-radium
Sonic.Foundry.MP3.encoder.v1.0d-radium
Sonic.Foundry.Noise.Reduction.DX.v2.0-radium
Sonic.Foundry.VEGAS.Pro.v1.0.134-radium
Sonic.Foundry.VEGAS.Pro.v1.0.134.fixed-radium
Sonic.Foundry.VEGAS.Pro.v1.0a.177-radium
Sonic.Foundry.VEGAS.Pro.v1.0b.208-radium
Sonic.Foundry.XFX.vol3-radium
Sonic.Foundry.XFX1.v1.0b-radium
Sonic.Foundry.XFX1.v1.0c-radium
Sonic.Foundry.XFX2.v1.0b-radium
Sonic.Foundry.XFX2.v1.0c-radium
Sonic.Foundry.XFX3.v1.0b-radium
Sonic.Foundry.XFX3.v1.0c-radium
Sound.Club.for.windows.v2.0-radium
Sound.Diver.v2.0.5.english-radium
Sound.Forge.Noise.Reduction.v4.0e-radium
Sound.Forge.v4.0d.build.205.FINAL-radium
Sound.Forge.v4.5.build.49.final-radium
Sound.Forge.v4.5a-Radium
Sound.Forge.v4.5a.228-radium
Sound.Forge.v4.5e.329.FiNAL.Radium
SoundForge.Batch.Converter.build.201-radium
SoundForge.Batch.Converter.plugin.v4.0d-radium
SoundForge.BatchConvert.build205.FINAL-radium
SoundForge.CD.Architect.4.0e.build.220-radium
SoundForge.CD.Architect.build205.FINAL-radium
SoundForge.CD.Architect.plugin.v4.0d-radium
SoundForge.CD.Architect.v4.0f-radium
SoundForge.Qsounds.Qtools.v1.2a.plugin-radium
SoundForge.Spectrum.Analysis.plug.v4.0c-radium
SoundForge.Spectrum.Analysis.plug.v4.0d-radium
SoundForge.v4.5c.final-radium
SpectraLab.v4.32.13-Radium
SpectraLab.v4.32.14-radium
SPL.De-Esser.v1.0-radium
SQ.Midi.Tools.v1.0-radium
Sseyo.Koan.pro.32bit.v2.10.9.full-radium
Steinberg Wavelab v3.00.working-radium
Steinberg.Bbox.v1.0-Radium
Steinberg.Clean.v1.0.working-radium
Steinberg.DeClicker.v1.21.working-radium
Steinberg.Denoiser.v1.51.working-radium
Steinberg.FreeFilter.v1.0.working-radium
Steinberg.GRM.Tools.VST.v1.0-radium
Steinberg.Loudness.Max.v1.2.working-radium
Steinberg.Magneto.v1.1-radium
Steinberg.Mastering.Edition.v1.0.Radium
Steinberg.Qmetric.v1.0-radium
Steinberg.Quadrafuzz.v1.0-radium
Steinberg.ReCycle.v1.71.working-radium
Steinberg.Spectralizer.v1.21.working-radium
Steinberg.UltraVox.VST.v1.0-radium
Steinberg.WaveLab.v2.02.full-radium
Sweet.16.Midi.Sequencer.v2.99-radium
Sweet.Little.Piano.v1.2.cracked-radium
Sweet.Midi.Arpeggiator.v1.93-radium
Sweet.Midi.Harmonizer.v1.12-radium
T-Racks.v1.10-radium
TablEdit.v1.44.cracked-radium
TablEdit.v1.46.cracked-radium
TC.Native.Bundle.v2.0-radium
TC.native.EQ.v1.01.DNV.version-radium
TC.Native.Essentials.v1.0.fixed-radium
TC.Native.Essentials.v1.02-radium
TC.Native.Reverb.DirectX.v1.0.cracked-radium
TC.native.Reverb.v1.0.DNV.version-radium
TC.native.Reverb.v1.5-radium
TimeWorks.Delay.6022.v1.061-radium
TimeWorks.Delay.6022.v1.062-radium
TimeWorks.Delay.6022.v1.063-radium
TimeWorks.Delay.6022.v1.101-radium
Timeworks.Phaser.Model88.v1.004-radium
TimeWorks.Reverb.4080L.v1.061-radium
TimeWorks.Reverb.4080L.v1.062-radium
TimeWorks.Reverb.4080L.v1.064-radium
TimeWorks.Reverb.4080L.v1.101-radium
Tonica.v5.0.win95-radium
UltraFunk.Sonitus.FX.pack.v1.0-radium
VAZ.Modular.v2.0-radium
VAZ.plus.v1.6-Radium
Vintage.Power.Pack.vol1.for.Cubase.VST-Radium
VintageBox.VST.v1.09-radium
Virtual.Audio.Cable.v1.11.Retail-radium
VST.Compressor.v2.5-radium
Waldorf.D-pole.v1.0.VST.Flash.Fix-radium
Wave.Surgeon.v1.3a.full.cracked-radium
Wave.Surgeon.v2.0.full-radium
WaveLab.v2.01.full-Radium
WaveLab.v2.02.full-radium
Waves.Audio.Track.v2.3.DirectX.plugin-radium
Waves.Audiotrack.v2.35-radium
Waves.C1.compressor.v2.3.1-radium
Waves.Convert.Pro.v3.0-radium
Waves.Deesser.DirectX.v1.0.cracked-radium
Waves.DeEsser.v1.05-radium
Waves.EzWaves.v2.3.full-radium
Waves.MaxxBass.v2.35-radium
Waves.Native.Power.Pack.v2.35-radium
Waves.Native.Power.Pack.VOL1.v2.5-radium
Waves.Native.Power.Pack.VOL2.v2.5-radium
Waves.Renaissance.Compressor.v1.0-radium
WaveWarm.v1.01-Radium
WaveZip.v1.12.regged-radium
Wavezip.v1.15T-radium
WinDAC.win32.v1.41.retail.version-radium
XFlanger.v2.10-radium
XFX.v1.0.audio.plugins.cracked.(bld60)-radium
Yamaha.Sondius.S-yxg100.v1.0-radium
Yamaha.SoundVQ.Encoder.v1.01.b1.cracked-radium
ZK.Rhymes.v2.02-radium

 

i edited the post now, so there is a list of releases which i'm currently missing

 

That's quite a lot of stuff, on sister sites few members shared some vintage warez, did u try to PM any of them? (mnk,...)

az . dl /old-sound-software/

 

yeah i spoke to mnk, he gave me a lot of stuff! i've downloaded everything related to radium on sister site

 

found radium releases that you need, will PM a link soon

Spoiler: some radium

Digital1200SL
Finale 2000 Working
Finale 98 32bit AddOn
Sonic Foundry XFX v1.0
sound.forge.Noise Reduction DX 2.0
Epsilon v2.0 for Ensoniq
Band In A Box 8.0 Pro
TC Native Essentials 1.02
Reaktor 2.05
SoundForge.CD.Architect.plugin.v4.0d-Radium
Sound Forge. CD Architect 4.0e build 220
SoundForge CD Architect 4.0f (July)
Cool.Edit.Pro.v1.1
Cakewalk SoundFont Manager v1.00.19
Ensoniq MidiDisk Tools v3.2 rev22
Cool Edit Pro v1.20
MegaMix98 3.31 Radio Edition
Tsunami Pro32 1.4d
Nemesys GigaSampler v1.5
Making Waves 1.8
Making Waves 1.95
Rebirth.909.drum.addon.fixed-Radium
Cool.Edit.Pro.v1.01.updater