diff --git a/src/com/sheepit/client/os/FreeBSD.java b/src/com/sheepit/client/os/FreeBSD.java
new file mode 100644
index 0000000..6aa89e0
--- /dev/null
+++ b/src/com/sheepit/client/os/FreeBSD.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2010-2015 Laurent CLOUET
+ * Author Laurent CLOUET <laurent.clouet@nopnop.net>
+ *
+ * This program is free software; you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package com.sheepit.client.os;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+import com.sheepit.client.Log;
+import com.sheepit.client.hardware.cpu.CPU;
+
+public class FreeBSD extends OS {
+	private final String NICE_BINARY_PATH = "nice";
+	private Boolean hasNiceBinary;
+	
+	public FreeBSD() {
+		super();
+		this.hasNiceBinary = null;
+	}
+	
+	public String name() {
+		return "freebsd";
+	}
+	
+	@Override
+	public String getRenderBinaryPath() {
+		return "rend.exe";
+	}
+	
+	@Override
+	public CPU getCPU() {
+		CPU ret = new CPU();
+		try {
+			Runtime r = Runtime.getRuntime();
+			Process p = r.exec("dmesg");
+			p.waitFor();
+			BufferedReader b = new BufferedReader(new InputStreamReader(p.getInputStream()));
+			String line = "";
+			
+			while ((line = b.readLine()) != null) {
+				if (line.startsWith("CPU:")) {
+					String buf[] = line.split(":");
+					if (buf.length > 1) {
+						ret.setName(buf[1].trim());
+					}
+				}
+				
+				if (line.contains("Family=") && line.contains("Model=")) {
+					String buf[] = line.split(" ");
+					for (int i = 0; i < buf.length; i++) {
+						if (buf[i].contains("Family")) {
+							String family = buf[i].split("=")[1];
+							ret.setFamily(family.split("x")[1]);
+						}
+						
+						if (buf[i].contains("Model")) {
+							String model = buf[i].split("=")[1];
+							ret.setModel(model.split("x")[1]);
+						}
+					}
+				}
+			}
+			b.close();
+			return ret;
+		}
+		catch (Exception e) {
+			e.printStackTrace();
+		}
+		return ret;
+	}
+	
+	@Override
+	public int getMemory() {
+		try {
+			Runtime r = Runtime.getRuntime();
+			Process p = r.exec("dmesg");
+			p.waitFor();
+			BufferedReader b = new BufferedReader(new InputStreamReader(p.getInputStream()));
+			String line = "";
+			
+			while ((line = b.readLine()) != null) {
+				if (line.startsWith("avail memory")) {
+					String buf[] = line.split(" ");
+					if (buf.length > 4) {
+						Long mem_byte = Long.parseLong(buf[3].trim());
+						return (int) (mem_byte / Long.valueOf(1024));
+					}
+				}
+			}
+			b.close();
+		}
+		catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+		return 0;
+	}
+	
+	@Override
+	public String getCUDALib() {
+		return "cuda";
+	}
+	
+	@Override
+	public Process exec(List<String> command, Map<String, String> env_overight) throws IOException {
+		// the renderer have a lib directory so add to the LD_LIBRARY_PATH
+		// (even if we are not sure that it is the renderer who is launch
+		
+		Map<String, String> new_env = new HashMap<String, String>();
+		new_env.putAll(java.lang.System.getenv()); // clone the env
+		Boolean has_ld_library_path = new_env.containsKey("LD_LIBRARY_PATH");
+		
+		String lib_dir = (new File(command.get(0))).getParent() + File.separator + "lib";
+		if (has_ld_library_path == false) {
+			new_env.put("LD_LIBRARY_PATH", lib_dir);
+		}
+		else {
+			new_env.put("LD_LIBRARY_PATH", new_env.get("LD_LIBRARY_PATH") + ":" + lib_dir);
+		}
+		
+		List<String> actual_command = command;
+		if (this.hasNiceBinary == null) {
+			this.checkNiceAvailability();
+		}
+		if (this.hasNiceBinary.booleanValue()) {
+			// launch the process in lowest priority
+			actual_command.add(0, "19");
+			actual_command.add(0, "-n");
+			actual_command.add(0, NICE_BINARY_PATH);
+		}
+		else {
+			Log.getInstance(null).error("No low priority binary, will not launch renderer in normal priority");
+		}
+		
+		ProcessBuilder builder = new ProcessBuilder(actual_command);
+		builder.redirectErrorStream(true);
+		Map<String, String> env = builder.environment();
+		env.putAll(new_env);
+		if (env_overight != null) {
+			env.putAll(env_overight);
+		}
+		return builder.start();
+	}
+	
+	private void checkNiceAvailability() {
+		ProcessBuilder builder = new ProcessBuilder();
+		builder.command(NICE_BINARY_PATH);
+		builder.redirectErrorStream(true);
+		Process process = null;
+		try {
+			process = builder.start();
+			this.hasNiceBinary = true;
+		}
+		catch (IOException e) {
+			this.hasNiceBinary = false;
+			Log.getInstance(null).error("Failed to find low priority binary, will not launch renderer in normal priority (" + e + ")");
+		}
+		finally {
+			if (process != null) {
+				process.destroy();
+			}
+		}
+	}
+}
diff --git a/src/com/sheepit/client/os/OS.java b/src/com/sheepit/client/os/OS.java
index 7415f08..0eee22c 100644
--- a/src/com/sheepit/client/os/OS.java
+++ b/src/com/sheepit/client/os/OS.java
@@ -65,6 +65,9 @@ public abstract class OS {
 		else if (os.contains("nix") || os.contains("nux")) {
 			return new Linux();
 		}
+		else if(os.contains("freebsd")){
+			return new FreeBSD();
+		}
 		else {
 			return null;
 		}