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Showing 32 open source projects for "good"
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Automate contact and company data extractionGenerate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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ESP8266Audio
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3
...The MOD and MP3 routines were taken from StellaPlayer and libMAD respectively. The software I2S delta-sigma 32x oversampling DAC was my own creation and sounds quite good if I do say so myself. -
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LinAsm
Collection of fast and optimized assembly libraries for x86-64 Linux
LinAsm is collection of very fast and SIMD optimized assembly written libraries for x86-64 Linux. It implements many common and widely used algorithms for array manipulations: searching, sorting, arithmetic and vector operations, unit conversions; fast mathematical and statistic functions; numbers and time converting algorithms; finite impulse response (FIR) digital filters; spectrum analysis algorithms, Fast Hartley transformation; CPU cache friendly functions and extremely fast abstract... -
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CalculiXforWin
Open-Source Multiphysics FEA (FEM) Package
...CalculiX is most popular FEA open-source package (like Code-Aster and Elmer-FEM). it is comparable in features with most known commercial packages like ANSYS, NASTRAN, Abaqus, etc. Good for structural, mechanical, thermal and fluid applications (trusses, plates, frames, shells, solid bodies). It has powerful nonlinear capabilities (including tension/compression only material like concrete) and most types of analysis (modal, thermal, buckling, coupled, etc) . See home page at http://www.dhondt.de New versions can be obtauned here: http://calculixforwin.blogspot.com/2015/05/calculix-launcher.html PS Appimages for Scilab, wxMaxima and GNU Octave were added -
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openbu
Lightweight L5e vehicle with freely accessible engineering documents
...Used Software: - LibreOffice - Free CAD + FEM Workbench + CFD OpenFoam Workbench - Z88 Arion (topology optimization, Freeware) - KiCAD - Gimp - Arduino IDE - CooCox To make the descissions in this project as transparent as possible, all big engineering descissions are evaluated with the following criteria: - efficency - simplicity - safety - maintenance - manufacturability - failure probability - clean and good looking design -
Atera all-in-one platform IT management software with AI agentsAtera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
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Estimates the maximum random close packing fraction of hard spheres with a distribution of diameters, based upon an algorithm in J. Chem. Phys. 131, 244104 (2009).
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brushless-gimbal-BruGi
Brushless Gimbal Controller for Camera Stabilization
...A tcl based GUI (graphics user interface) is provided to ease parameter settings and tuning. Brushless Gimbal Controller by Ludwig Färber (Hardware and Software) , Alexander Rehfeldt (Software), Christian Winkler (Software) and Alois Hahn (Software) A good source for instructions and setup issues you find here http://www.itsqv.com/QVW/index.php?title=How_To_-_Martinez_Brushless_Gimbal_Controller_Set-Up rcgroups forum, Martinez board / Open source brushless gimbal HELP THREAD http://www.rcgroups.com/forums/showthread.php?t=1901828 fpv-community forum, Brushless Gimbal Controller - SOFTWARE (german language) http://fpv-community.de/showthread.php?... -
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ooPorter
A Porter stemming or stemmer algorithm coded in ooRexx
This is an ooRexx line-by-line port from Ansi-C to ooRexx of the stemming routine published by Martin Porter 1980. The original source code from Porter has been commented out and emulated by the corresponding (oo)Rexx code as far as possible. This is not an example of good or fast (oo)Rexx programming, it is merely a demonstration of the Porter stemming routine ported to ooRexx, use and modify as necessary. Input to the program is a textfile with words to be stemmed, one per line. Output from the program ends up in the terminal window (standard out) and may be redirected to an output file. Syntax: rexx ooPorter myInputfile.txt > myOutputfile.txt The program only works for stemming English words. ... -
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PPMScope
Microcontroller based PC Oscilloscope
...This is a version based on the PIC16F877A microcontroller running with a 20MHz clock. The maximum sampling rate is 1 MHz with a 5 Mhz equivalent sampling mode. Currently, the computer interface supports USB, serial, and parallel ports. Good luck on the construction and I hope you enjoy your oscilloscope. I am happy to answer any questions or provide technical support for this design. -
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Gene Ontology Browser
Browser for viewing Gene Ontology (GO) .obo files.
Go Browser allows you to view a gene ontology on your local machine. You can go up and down the hierarchy and inspect the terms. It's a good way of familiarising yourself and orienting yourself in the GO system. It's built using the Baby X toolkit, so has no dependencies other than xlib. Baby X has now also been ported to Windows, so a Windows version is available. -
Grafana: The open and composable observability platformGrafana is the open source analytics & monitoring solution for every database.
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EMsieve
A simple sieve/prefactor program for Eisenstein-Mersenne Primes
A simple sieve/prefactor program for the so-called Eisenstein-Mersenne Primes: 3^p +- 3^((p + 1)/2) + 1. See http://oeis.org/A125738, A125739 and [1] for a good introduction. Some easily established properties are: p must be prime; sign is minus for p=+-1 (mod 12), plus otherwise; composites only have factors of form 6kp+1 (integer k). Related probable primes (3^p -+ 3^((p + 1)/2) + 1)/7 are sieved at the same time. See http://oeis.org/A125743, A125744. After sieving, the Berrizbeitia-Iskra or a Proth test can be run; this is best implemented with FFT mod (3^3p+1) using GWNUM library. ... -
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Apollo3D is a team in RoboCup soccer simulation 3D league. The target is to build a nice team with wonderful skills and good cooperation among players.
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Lagrange Rally 3D
3D vehicle simulator based on Lagrangian dynamics to simulate dynamics
3D vehicle simulator in which vechicle's configuration as a whole (articulated body) , is represented by a 'vector' of generalised coordinates. so concepts like usual position and orientation of main body and wheels is all defined by the generalised coordinates.Using Lagrangian dynamics, theese coordinates are evolving in time in a realistic manner according to F=ma but as if there were also all constraint forces concretasing the presence of joints: hinge, prismatic, rigid connection, etc.... -
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XCTruck3D _Truck
realistic truck simulator with 3D graphics done from zero
...Trailer can be detouched pressming 'l' (minuscle ELL) so to drive a normal car. There's an OpenGL version too: see the CTruck3D _Open,and an ASCII-Art ver (Term_ CTruck3D). This is also a good dydactical software: code is easy to undersand,and drawing procedures and physics sim procedure are written from 0 so it's clearly understandable how a complete 3D game is done in C, starting from a blank page of any plain text editor.Only basic knowledge of C was used. VID: http://youtu.be/n_O-9EFW5zk Lagrande_Rally_3D is an evolution of this -
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lagrange_simulation_mechanics
simulations with Lagrangian method,both symbolic and by numeric deriv
alleged to the video 'tutorial' "the Mechanics and its Simulation". Simulation with Lagrangian method, both symbolic, and by numerical derivation. All well-grouped in folders. there is also a 'review' in 3 demos of the Newtonian dynamics: mass-spring systems. most of progs are written in C, with use of SDL lib to display simple graphics and have real-time interactivity. As to programming complexity, it's very simple... this all aims at classical physics simulation in a simple but efficient... -
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CTruck3D _Open
realistic truck & car simulator, with OpenGL graphics
...v=B74QvPGyBYM The physical simulation was written from 0 of course, so no external 'third-party' libraries are used; except GLUT+OpenGL for the graphical visualisation & good interactivity. -
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blutle
Small wireless board to control tiny DIY toys over bluetooth
Being powered with cell phone battery, this board can drive small toys - up to two DC motors, several input/output pins, discharge control. -
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FAZIA DAQ
The aim of FAZIA project is to build a 4Pi array for charged particles
The FAZIA project groups together more than 10 institutions in Nuclear Physics, which are working in the domain of heavy-ion induced reactions around and below the Fermi energy (10-100AMeV). The aim of the project is to build a 4Pi array for charged particles, with high granularity and good energy resolution, with A and Z identification capability over the widest possible range. It will use the up-to-date techniques concerning detection, signal processing and data flow, with full digital electronics. Neutron detection is also foreseen via the collaboration with the NEUTROMANIA group. FAZIA is designed to operate at stable and radioactive beams facilities like LNL-Legnaro, LNS-Catania in Italy, GANIL-SPIRAL and SPIRAL2 in France, GSI-FAIR in Germany in the horizon 2010-2015. ... -
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IPSA - Inventor Physics Simulation API
Easy to use physics simulation combining ODE with OpenInventor.
Create phyiscal simulations easily through IPSA which combines the OpenInventor 3D API with the Open Dynamics Engine (ODE). Scenes are read from .iv files and simulated in the supplied viewer applications. Find it at: http://ipsa.sourceforge.net -
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Alkindus is an automated solver for short monoalphabetic substitution ciphers without word divisions.
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A collection of compact, powerful programs and functions, written in C, for the analysis and transformation of data. No object or structure dependencies, no fancy interfaces - just good tools.
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This tool is designed to solve generalized pattern matching problem, by which we only find a set of sub-patterns, ignoring the gaps in between the sub-patterns. This tool is extremely fast and also has good tolerance to errors.
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Real time micro benchmark multi-lingual suite (RTMB) provides a good way to measure the deterministic quality of hardware, an operating system, or a Java Virtual Machine. RTMB consists of benchmarks in C, C++ and Java
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a simple software implemented FPU. only 32bit precision is supported and the operation result is not accurate as modern FPUs, but it is light and compact. (uses simple 32bit integer operations only, good for machines that has no hardware FPU.)
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Lightweight matrix lib, especially good for micro-blaze or other embedded processor which needs to do matrix operations. Supports Add, Subtract, Multiply, Transpose, and Invert (Cholesky Method). Compiles to 15kbs using -0s and is ISO C compliant.
